2031231413 has 8 divisors (see below), whose sum is σ = 2081000376. Its totient is φ = 1981886400.

The previous prime is 2031231359. The next prime is 2031231443. The reversal of 2031231413 is 3141321302.

It can be written as a sum of positive squares in 4 ways, for example, as 302168689 + 1729062724 = 17383^2 + 41582^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2031231413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2031231443) 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, 96278 + ... + 115463.

It is an arithmetic number, because the mean of its divisors is an integer number (260125047).

Almost surely, 2^2031231413 is an apocalyptic number.

It is an amenable number.

2031231413 is a deficient number, since it is larger than the sum of its proper divisors (49768963).

2031231413 is a wasteful number, since it uses less digits than its factorization.

2031231413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211975.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 2031231413 is about 45069.1847385772. The cubic root of 2031231413 is about 1266.4453918724.

Adding to 2031231413 its reverse (3141321302), we get a palindrome (5172552715).

The spelling of 2031231413 in words is "two billion, thirty-one million, two hundred thirty-one thousand, four hundred thirteen".