31252312142131 has 8 divisors (see below), whose sum is σ = 31277280938400. Its totient is φ = 31227344803200.

The previous prime is 31252312142111. The next prime is 31252312142167. The reversal of 31252312142131 is 13124121325213.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 31252312142131 - 2²³ = 31252303753523 is a prime.

It is a super-2 number, since 2×31252312142131² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31252312142093 and 31252312142102.

It is not an unprimeable number, because it can be changed into a prime (31252312142111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44771035 + ... + 45463723.

It is an arithmetic number, because the mean of its divisors is an integer number (3909660117300).

Almost surely, 2^{31252312142131} is an apocalyptic number.

31252312142131 is a deficient number, since it is larger than the sum of its proper divisors (24968796269).

31252312142131 is a wasteful number, since it uses less digits than its factorization.

31252312142131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 728669.

The product of its digits is 8640, while the sum is 31.

Adding to 31252312142131 its reverse (13124121325213), we get a palindrome (44376433467344).

The spelling of 31252312142131 in words is "thirty-one trillion, two hundred fifty-two billion, three hundred twelve million, one hundred forty-two thousand, one hundred thirty-one".