2031321310 has 16 divisors (see below), whose sum is σ = 3657203136. Its totient is φ = 812345248.

The previous prime is 2031321139. The next prime is 2031321311. The reversal of 2031321310 is 131231302.

It is a super-2 number, since 2×2031321310² = 8252532528920232200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2031321311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29307 + ... + 70153.

It is an arithmetic number, because the mean of its divisors is an integer number (228575196).

Almost surely, 2^2031321310 is an apocalyptic number.

2031321310 is a deficient number, since it is larger than the sum of its proper divisors (1625881826).

2031321310 is a wasteful number, since it uses less digits than its factorization.

2031321310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45827.

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

The square root of 2031321310 is about 45070.1820497765. The cubic root of 2031321310 is about 1266.4640747858.

Adding to 2031321310 its reverse (131231302), we get a palindrome (2162552612).

The spelling of 2031321310 in words is "two billion, thirty-one million, three hundred twenty-one thousand, three hundred ten".