31456155253 has 16 divisors (see below), whose sum is σ = 32420344320. Its totient is φ = 30505507200.

The previous prime is 31456155233. The next prime is 31456155287. The reversal of 31456155253 is 35255165413.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 31456155253 - 2⁵ = 31456155221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31456155233) 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, 2383888 + ... + 2397046.

It is an arithmetic number, because the mean of its divisors is an integer number (2026271520).

Almost surely, 2^31456155253 is an apocalyptic number.

It is an amenable number.

31456155253 is a deficient number, since it is larger than the sum of its proper divisors (964189067).

31456155253 is a wasteful number, since it uses less digits than its factorization.

31456155253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13668.

The product of its digits is 270000, while the sum is 40.

The spelling of 31456155253 in words is "thirty-one billion, four hundred fifty-six million, one hundred fifty-five thousand, two hundred fifty-three".