2131231310 has 32 divisors (see below), whose sum is σ = 4133717280. Its totient is φ = 786457728.

The previous prime is 2131231303. The next prime is 2131231327. The reversal of 2131231310 is 131321312.

It is a super-2 number, since 2×2131231310² = 9084293793448632200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 287936 + ... + 295244.

It is an arithmetic number, because the mean of its divisors is an integer number (129178665).

Almost surely, 2^2131231310 is an apocalyptic number.

2131231310 is a deficient number, since it is larger than the sum of its proper divisors (2002485970).

2131231310 is a wasteful number, since it uses less digits than its factorization.

2131231310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9572.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 2131231310 is about 46165.2608570557. The cubic root of 2131231310 is about 1286.8962319440.

Adding to 2131231310 its reverse (131321312), we get a palindrome (2262552622).

The spelling of 2131231310 in words is "two billion, one hundred thirty-one million, two hundred thirty-one thousand, three hundred ten".