31264130531 has 8 divisors (see below), whose sum is σ = 31382117328. Its totient is φ = 31146192000.

The previous prime is 31264130519. The next prime is 31264130533. The reversal of 31264130531 is 13503146213.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31264130531 is a prime.

It is a super-2 number, since 2×31264130531² (a number of 22 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 = 31264130494 and 31264130503.

It is not an unprimeable number, because it can be changed into a prime (31264130533) 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, 1778696 + ... + 1796186.

It is an arithmetic number, because the mean of its divisors is an integer number (3922764666).

Almost surely, 2^31264130531 is an apocalyptic number.

31264130531 is a deficient number, since it is larger than the sum of its proper divisors (117986797).

31264130531 is a wasteful number, since it uses less digits than its factorization.

31264130531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24133.

The product of its (nonzero) digits is 6480, while the sum is 29.

Adding to 31264130531 its reverse (13503146213), we get a palindrome (44767276744).

The spelling of 31264130531 in words is "thirty-one billion, two hundred sixty-four million, one hundred thirty thousand, five hundred thirty-one".