2031130402 has 16 divisors (see below), whose sum is σ = 3516414912. Its totient is φ = 861865200.

The previous prime is 2031130399. The next prime is 2031130421. The reversal of 2031130402 is 2040311302.

It is a happy 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 7 ways as a sum of consecutive naturals, for example, 716808 + ... + 719635.

It is an arithmetic number, because the mean of its divisors is an integer number (219775932).

Almost surely, 2^2031130402 is an apocalyptic number.

2031130402 is a deficient number, since it is larger than the sum of its proper divisors (1485284510).

2031130402 is a wasteful number, since it uses less digits than its factorization.

2031130402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1436553.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2031130402 is about 45068.0641030875. The cubic root of 2031130402 is about 1266.4243985257.

Adding to 2031130402 its reverse (2040311302), we get a palindrome (4071441704).

Subtracting 2031130402 from its reverse (2040311302), we obtain a square (9180900 = 3030²).

The spelling of 2031130402 in words is "two billion, thirty-one million, one hundred thirty thousand, four hundred two".