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31434420411 = 3318123572729
BaseRepresentation
bin11101010001101000…
…110011000010111011
310000010201102000021000
4131101220303002323
51003334202423121
622235112420043
72161655110362
oct352150630273
9100121360230
1031434420411
1112370a02349
1261133a7623
132c6c605884
141742b5a7d9
15c3ea1c526
hex751a330bb

31434420411 has 32 divisors (see below), whose sum is σ = 46863835200. Its totient is φ = 20824024320.

The previous prime is 31434420383. The next prime is 31434420461. The reversal of 31434420411 is 11402443413.

31434420411 is a `hidden beast` number, since 314 + 344 + 2 + 0 + 4 + 1 + 1 = 666.

It is not a de Polignac number, because 31434420411 - 223 = 31426031803 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (31434420461) 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, 11517295 + ... + 11520023.

It is an arithmetic number, because the mean of its divisors is an integer number (1464494850).

Almost surely, 231434420411 is an apocalyptic number.

31434420411 is a deficient number, since it is larger than the sum of its proper divisors (15429414789).

31434420411 is a wasteful number, since it uses less digits than its factorization.

31434420411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5276 (or 5270 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 31434420411 its reverse (11402443413), we get a palindrome (42836863824).

The spelling of 31434420411 in words is "thirty-one billion, four hundred thirty-four million, four hundred twenty thousand, four hundred eleven".

Divisors: 1 3 9 27 181 543 1629 2357 2729 4887 7071 8187 21213 24561 63639 73683 426617 493949 1279851 1481847 3839553 4445541 6432253 11518659 13336623 19296759 57890277 173670831 1164237793 3492713379 10478140137 31434420411