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23453431351031 = 11173223239231241
BaseRepresentation
bin1010101010100101011010…
…11100011100011011110111
310002001010101221211000102202
411111102231130130123313
511033230111411213111
6121514205125055115
74640311615123433
oct525225534343367
9102033357730382
1023453431351031
1175225a9627a60
12276952285749b
1310118590736c6
145b121b6559c3
152aa126c14b3b
hex1554ad71c6f7

23453431351031 has 32 divisors (see below), whose sum is σ = 25957117992960. Its totient is φ = 21014610220800.

The previous prime is 23453431350961. The next prime is 23453431351127. The reversal of 23453431351031 is 13015313435432.

It is a cyclic number.

It is not a de Polignac number, because 23453431351031 - 210 = 23453431350007 is a prime.

It is a super-2 number, since 2×234534313510312 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23453431351331) 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, 101308571 + ... + 101539811.

It is an arithmetic number, because the mean of its divisors is an integer number (811159937280).

Almost surely, 223453431351031 is an apocalyptic number.

23453431351031 is a deficient number, since it is larger than the sum of its proper divisors (2503686641929).

23453431351031 is a wasteful number, since it uses less digits than its factorization.

23453431351031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231887.

The product of its (nonzero) digits is 194400, while the sum is 38.

Adding to 23453431351031 its reverse (13015313435432), we get a palindrome (36468744786463).

The spelling of 23453431351031 in words is "twenty-three trillion, four hundred fifty-three billion, four hundred thirty-one million, three hundred fifty-one thousand, thirty-one".

Divisors: 1 11 173 223 239 1903 2453 2629 38579 41347 53297 231241 424369 454817 586267 2543651 9220381 40004693 51566743 55266599 101424191 440051623 567234173 607932589 8921046539 9561121627 12324451577 98131511929 105172337897 135568967347 2132130122821 23453431351031