31345232153 has 8 divisors (see below), whose sum is σ = 31913372736. Its totient is φ = 30780610000.

The previous prime is 31345232123. The next prime is 31345232173. The reversal of 31345232153 is 35123254313.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 31345232153 - 2³⁰ = 30271490329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31345232123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 861626 + ... + 897267.

It is an arithmetic number, because the mean of its divisors is an integer number (3989171592).

Almost surely, 2^31345232153 is an apocalyptic number.

It is an amenable number.

31345232153 is a deficient number, since it is larger than the sum of its proper divisors (568140583).

31345232153 is a wasteful number, since it uses less digits than its factorization.

31345232153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1759215.

The product of its digits is 32400, while the sum is 32.

Adding to 31345232153 its reverse (35123254313), we get a palindrome (66468486466).

The spelling of 31345232153 in words is "thirty-one billion, three hundred forty-five million, two hundred thirty-two thousand, one hundred fifty-three".