31049132331 has 8 divisors (see below), whose sum is σ = 47312963584. Its totient is φ = 17742361320.

The previous prime is 31049132329. The next prime is 31049132353. The reversal of 31049132331 is 13323194013.

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

It is not a de Polignac number, because 31049132331 - 2¹ = 31049132329 is a prime.

It is a super-2 number, since 2×31049132331² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31049132381) 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, 739265035 + ... + 739265076.

It is an arithmetic number, because the mean of its divisors is an integer number (5914120448).

Almost surely, 2^31049132331 is an apocalyptic number.

31049132331 is a deficient number, since it is larger than the sum of its proper divisors (16263831253).

31049132331 is a wasteful number, since it uses less digits than its factorization.

31049132331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1478530121.

The product of its (nonzero) digits is 5832, while the sum is 30.

The spelling of 31049132331 in words is "thirty-one billion, forty-nine million, one hundred thirty-two thousand, three hundred thirty-one".