31420511502413 has 4 divisors (see below), whose sum is σ = 34276921639008. Its totient is φ = 28564101365820.

The previous prime is 31420511502407. The next prime is 31420511502427.

31420511502413 is nontrivially palindromic in base 10.

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 31420511502413 - 2⁴ = 31420511502397 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 31420511502413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31420511502493) 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, 1428205068281 + ... + 1428205068302.

It is an arithmetic number, because the mean of its divisors is an integer number (8569230409752).

Almost surely, 2^{31420511502413} is an apocalyptic number.

It is an amenable number.

31420511502413 is a deficient number, since it is larger than the sum of its proper divisors (2856410136595).

31420511502413 is a wasteful number, since it uses less digits than its factorization.

31420511502413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2856410136594.

The product of its (nonzero) digits is 14400, while the sum is 32.

It can be divided in two parts, 3142051 and 1502413, that added together give a palindrome (4644464).

The spelling of 31420511502413 in words is "thirty-one trillion, four hundred twenty billion, five hundred eleven million, five hundred two thousand, four hundred thirteen".