2031310402 has 32 divisors (see below), whose sum is σ = 3435208704. Its totient is φ = 892491600.

The previous prime is 2031310381. The next prime is 2031310427. The reversal of 2031310402 is 2040131302.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1013133 + ... + 1015135.

It is an arithmetic number, because the mean of its divisors is an integer number (107350272).

Almost surely, 2^2031310402 is an apocalyptic number.

2031310402 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2031310402 is a deficient number, since it is larger than the sum of its proper divisors (1403898302).

2031310402 is a wasteful number, since it uses less digits than its factorization.

2031310402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3534.

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

The square root of 2031310402 is about 45070.0610383434. The cubic root of 2031310402 is about 1266.4618078517.

Adding to 2031310402 its reverse (2040131302), we get a palindrome (4071441704).

Subtracting 2031310402 from its reverse (2040131302), we obtain a square (8820900 = 2970²).

The spelling of 2031310402 in words is "two billion, thirty-one million, three hundred ten thousand, four hundred two".