2031310312 has 8 divisors (see below), whose sum is σ = 3808706850. Its totient is φ = 1015655152.

The previous prime is 2031310301. The next prime is 2031310313. The reversal of 2031310312 is 2130131302.

It can be written as a sum of positive squares in only one way, i.e., 1827220516 + 204089796 = 42746^2 + 14286^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (2031310313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126956887 + ... + 126956902.

Almost surely, 2^2031310312 is an apocalyptic number.

It is an amenable number.

2031310312 is a deficient number, since it is larger than the sum of its proper divisors (1777396538).

2031310312 is a wasteful number, since it uses less digits than its factorization.

2031310312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253913795 (or 253913791 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 2031310312 is about 45070.0600398979. The cubic root of 2031310312 is about 1266.4617891476.

Adding to 2031310312 its reverse (2130131302), we get a palindrome (4161441614).

It can be divided in two parts, 20313 and 10312, that added together give a square (30625 = 175²).

The spelling of 2031310312 in words is "two billion, thirty-one million, three hundred ten thousand, three hundred twelve".