31253521411 has 16 divisors (see below), whose sum is σ = 37276867584. Its totient is φ = 25620164064.

The previous prime is 31253521393. The next prime is 31253521421. The reversal of 31253521411 is 11412535213.

It is a cyclic number.

It is not a de Polignac number, because 31253521411 - 2³³ = 22663586819 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 31253521411.

It is not an unprimeable number, because it can be changed into a prime (31253521421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1658106 + ... + 1676848.

It is an arithmetic number, because the mean of its divisors is an integer number (2329804224).

Almost surely, 2^31253521411 is an apocalyptic number.

31253521411 is a deficient number, since it is larger than the sum of its proper divisors (6023346173).

31253521411 is a wasteful number, since it uses less digits than its factorization.

31253521411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29130.

The product of its digits is 3600, while the sum is 28.

The spelling of 31253521411 in words is "thirty-one billion, two hundred fifty-three million, five hundred twenty-one thousand, four hundred eleven".