2031303332413 has 4 divisors (see below), whose sum is σ = 2101348274940. Its totient is φ = 1961258389888.

The previous prime is 2031303332411. The next prime is 2031303332449. The reversal of 2031303332413 is 3142333031302.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 775910816164 + 1255392516249 = 880858^2 + 1120443^2 .

It is a cyclic number.

It is not a de Polignac number, because 2031303332413 - 2¹ = 2031303332411 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 (2031303332411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35022471220 + ... + 35022471277.

It is an arithmetic number, because the mean of its divisors is an integer number (525337068735).

Almost surely, 2^{2031303332413} is an apocalyptic number.

It is an amenable number.

2031303332413 is a deficient number, since it is larger than the sum of its proper divisors (70044942527).

2031303332413 is an equidigital number, since it uses as much as digits as its factorization.

2031303332413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70044942526.

The product of its (nonzero) digits is 11664, while the sum is 28.

Adding to 2031303332413 its reverse (3142333031302), we get a palindrome (5173636363715).

The spelling of 2031303332413 in words is "two trillion, thirty-one billion, three hundred three million, three hundred thirty-two thousand, four hundred thirteen".