31255345342 has 64 divisors (see below), whose sum is σ = 54076667904. Its totient is φ = 13421145600.

The previous prime is 31255345333. The next prime is 31255345343. The reversal of 31255345342 is 24354355213.

It is a super-2 number, since 2×31255345342² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31255345343) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15149403 + ... + 15151465.

It is an arithmetic number, because the mean of its divisors is an integer number (844947936).

Almost surely, 2^31255345342 is an apocalyptic number.

31255345342 is a deficient number, since it is larger than the sum of its proper divisors (22821322562).

31255345342 is a wasteful number, since it uses less digits than its factorization.

31255345342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2473.

The product of its digits is 216000, while the sum is 37.

The spelling of 31255345342 in words is "thirty-one billion, two hundred fifty-five million, three hundred forty-five thousand, three hundred forty-two".