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23431431000334 = 2731313977176551
BaseRepresentation
bin1010101001111100011100…
…00111110001000100001110
310001222000121201021101220011
411110332032013301010032
511032400032314002314
6121500130101143434
74635602463204340
oct524761607610416
9101860551241804
1023431431000334
117514239a41945
1227652029bab7a
13100c76112ac06
145b0131823290
152a978a5674c4
hex154f8e1f110e

23431431000334 has 64 divisors (see below), whose sum is σ = 41639198810112. Its totient is φ = 9677086848000.

The previous prime is 23431431000323. The next prime is 23431431000337. The reversal of 23431431000334 is 43300013413432.

It is a super-2 number, since 2×234314310003342 (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a junction number, because it is equal to n+sod(n) for n = 23431431000296 and 23431431000305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23431431000337) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 132629359 + ... + 132805909.

It is an arithmetic number, because the mean of its divisors is an integer number (650612481408).

Almost surely, 223431431000334 is an apocalyptic number.

23431431000334 is a deficient number, since it is larger than the sum of its proper divisors (18207767809778).

23431431000334 is a wasteful number, since it uses less digits than its factorization.

23431431000334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177881.

The product of its (nonzero) digits is 31104, while the sum is 31.

Adding to 23431431000334 its reverse (43300013413432), we get a palindrome (66731444413766).

The spelling of 23431431000334 in words is "twenty-three trillion, four hundred thirty-one billion, four hundred thirty-one million, three hundred thirty-four", and thus it is an aban number.

Divisors: 1 2 7 14 31 62 217 313 434 626 977 1954 2191 4382 6839 9703 13678 19406 30287 60574 67921 135842 176551 212009 305801 353102 424018 611602 1235857 2140607 2471714 4281214 5473081 9479831 10946162 18959662 38311567 55260463 66358817 76623134 110520926 132717634 172490327 344980654 386823241 773646482 1207432289 1713074353 2414864578 3426148706 5347200137 10694400274 11991520471 23983040942 37430400959 53989472351 74860801918 107978944702 377926306457 755852612914 1673673642881 3347347285762 11715715500167 23431431000334