2130311031 has 16 divisors (see below), whose sum is σ = 2939143680. Its totient is φ = 1371585600.

The previous prime is 2130311023. The next prime is 2130311047. The reversal of 2130311031 is 1301130312.

It is not a de Polignac number, because 2130311031 - 2³ = 2130311023 is a prime.

It is a super-2 number, since 2×2130311031² = 9076450177600565922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2130311031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2130311011) 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, 81295 + ... + 104256.

It is an arithmetic number, because the mean of its divisors is an integer number (183696480).

Almost surely, 2^2130311031 is an apocalyptic number.

2130311031 is a deficient number, since it is larger than the sum of its proper divisors (808832649).

2130311031 is a wasteful number, since it uses less digits than its factorization.

2130311031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185686.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 2130311031 is about 46155.2925567589. The cubic root of 2130311031 is about 1286.7109753311.

Adding to 2130311031 its reverse (1301130312), we get a palindrome (3431441343).

The spelling of 2130311031 in words is "two billion, one hundred thirty million, three hundred eleven thousand, thirty-one".