2403331013 has 2 divisors, whose sum is σ = 2403331014. Its totient is φ = 2403331012.

The previous prime is 2403331003. The next prime is 2403331031. The reversal of 2403331013 is 3101333042.

Together with next prime (2403331031) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2229539524 + 173791489 = 47218^2 + 13183^2 .

It is a cyclic number.

It is not a de Polignac number, because 2403331013 - 2²⁸ = 2134895557 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2403331003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1201665506 + 1201665507.

It is an arithmetic number, because the mean of its divisors is an integer number (1201665507).

Almost surely, 2^2403331013 is an apocalyptic number.

It is an amenable number.

2403331013 is a deficient number, since it is larger than the sum of its proper divisors (1).

2403331013 is an equidigital number, since it uses as much as digits as its factorization.

2403331013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 2403331013 is about 49023.7800766118. The cubic root of 2403331013 is about 1339.4850276689.

Adding to 2403331013 its reverse (3101333042), we get a palindrome (5504664055).

The spelling of 2403331013 in words is "two billion, four hundred three million, three hundred thirty-one thousand, thirteen".