31855673253 has 16 divisors (see below), whose sum is σ = 43850048000. Its totient is φ = 20549384640.

The previous prime is 31855673251. The next prime is 31855673263. The reversal of 31855673253 is 35237655813.

It is not a de Polignac number, because 31855673253 - 2¹ = 31855673251 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 (31855673251) 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, 908043 + ... + 942471.

It is an arithmetic number, because the mean of its divisors is an integer number (2740628000).

Almost surely, 2^31855673253 is an apocalyptic number.

It is an amenable number.

31855673253 is a deficient number, since it is larger than the sum of its proper divisors (11994374747).

31855673253 is a wasteful number, since it uses less digits than its factorization.

31855673253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44412.

The product of its digits is 2268000, while the sum is 48.

The spelling of 31855673253 in words is "thirty-one billion, eight hundred fifty-five million, six hundred seventy-three thousand, two hundred fifty-three".