31252480135 has 16 divisors (see below), whose sum is σ = 37570778784. Its totient is φ = 24956831232.

The previous prime is 31252480093. The next prime is 31252480159. The reversal of 31252480135 is 53108425213.

It is a cyclic number.

It is not a de Polignac number, because 31252480135 - 2¹⁵ = 31252447367 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 31252480135.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9879064 + ... + 9882226.

It is an arithmetic number, because the mean of its divisors is an integer number (2348173674).

Almost surely, 2^31252480135 is an apocalyptic number.

31252480135 is a deficient number, since it is larger than the sum of its proper divisors (6318298649).

31252480135 is a wasteful number, since it uses less digits than its factorization.

31252480135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6114.

The product of its (nonzero) digits is 28800, while the sum is 34.

The spelling of 31252480135 in words is "thirty-one billion, two hundred fifty-two million, four hundred eighty thousand, one hundred thirty-five".