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31610324053 = 7111133632953
BaseRepresentation
bin11101011100000111…
…110100010001010101
310000120222101211200201
4131130013310101111
51004214220332203
622304354540501
72166222215110
oct353407642125
9100528354621
1031610324053
1112451227360
126162297731
132c99ba4079
14175c269577
15c501b6e1d
hex75c1f4455

31610324053 has 16 divisors (see below), whose sum is σ = 39759048576. Its totient is φ = 24413437440.

The previous prime is 31610324041. The next prime is 31610324069. The reversal of 31610324053 is 35042301613.

It is not a de Polignac number, because 31610324053 - 233 = 23020389461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31610324353) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1807776 + ... + 1825177.

It is an arithmetic number, because the mean of its divisors is an integer number (2484940536).

Almost surely, 231610324053 is an apocalyptic number.

It is an amenable number.

31610324053 is a deficient number, since it is larger than the sum of its proper divisors (8148724523).

31610324053 is a wasteful number, since it uses less digits than its factorization.

31610324053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3633084.

The product of its (nonzero) digits is 6480, while the sum is 28.

Adding to 31610324053 its reverse (35042301613), we get a palindrome (66652625666).

The spelling of 31610324053 in words is "thirty-one billion, six hundred ten million, three hundred twenty-four thousand, fifty-three".

Divisors: 1 7 11 77 113 791 1243 8701 3632953 25430671 39962483 279737381 410523689 2873665823 4515760579 31610324053