2031313401 has 12 divisors (see below), whose sum is σ = 3159821028. Its totient is φ = 1250038944.

The previous prime is 2031313387. The next prime is 2031313423. The reversal of 2031313401 is 1043131302.

It can be written as a sum of positive squares in 2 ways, for example, as 1249551801 + 781761600 = 35349^2 + 27960^2 .

It is not a de Polignac number, because 2031313401 - 2¹⁰ = 2031312377 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2031313001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8680710 + ... + 8680943.

It is an arithmetic number, because the mean of its divisors is an integer number (263318419).

Almost surely, 2^2031313401 is an apocalyptic number.

It is an amenable number.

2031313401 is a deficient number, since it is larger than the sum of its proper divisors (1128507627).

2031313401 is a wasteful number, since it uses less digits than its factorization.

2031313401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17361672 (or 17361669 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 2031313401 is about 45070.0943087542. The cubic root of 2031313401 is about 1266.4624311139.

Adding to 2031313401 its reverse (1043131302), we get a palindrome (3074444703).

The spelling of 2031313401 in words is "two billion, thirty-one million, three hundred thirteen thousand, four hundred one".