2031020313 has 16 divisors (see below), whose sum is σ = 3229449216. Its totient is φ = 1110122640.

The previous prime is 2031020297. The next prime is 2031020347. The reversal of 2031020313 is 3130201302.

It is not a de Polignac number, because 2031020313 - 2⁴ = 2031020297 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2031020292 and 2031020301.

It is not an unprimeable number, because it can be changed into a prime (2031020363) 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, 2102023 + ... + 2102988.

It is an arithmetic number, because the mean of its divisors is an integer number (201840576).

Almost surely, 2^2031020313 is an apocalyptic number.

2031020313 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2031020313 is a deficient number, since it is larger than the sum of its proper divisors (1198428903).

2031020313 is a wasteful number, since it uses less digits than its factorization.

2031020313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4205044.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 2031020313 is about 45066.8427227823. The cubic root of 2031020313 is about 1266.4015176848.

Adding to 2031020313 its reverse (3130201302), we get a palindrome (5161221615).

The spelling of 2031020313 in words is "two billion, thirty-one million, twenty thousand, three hundred thirteen".