5131102020413 has 4 divisors (see below), whose sum is σ = 5139233719968. Its totient is φ = 5122970320860.

The previous prime is 5131102020391. The next prime is 5131102020427. The reversal of 5131102020413 is 3140202011315.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5131102020413 - 2¹⁰ = 5131102019389 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 (5131102020113) 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, 4065848831 + ... + 4065850092.

It is an arithmetic number, because the mean of its divisors is an integer number (1284808429992).

Almost surely, 2^{5131102020413} is an apocalyptic number.

It is an amenable number.

5131102020413 is a deficient number, since it is larger than the sum of its proper divisors (8131699555).

5131102020413 is an equidigital number, since it uses as much as digits as its factorization.

5131102020413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8131699554.

The product of its (nonzero) digits is 720, while the sum is 23.

Adding to 5131102020413 its reverse (3140202011315), we get a palindrome (8271304031728).

The spelling of 5131102020413 in words is "five trillion, one hundred thirty-one billion, one hundred two million, twenty thousand, four hundred thirteen".