31426033400113 has 4 divisors (see below), whose sum is σ = 34282945527408. Its totient is φ = 28569121272820.

The previous prime is 31426033400093. The next prime is 31426033400173. The reversal of 31426033400113 is 31100433062413.

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 31426033400113 - 2²¹ = 31426031302961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31426033400173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1428456063631 + ... + 1428456063652.

It is an arithmetic number, because the mean of its divisors is an integer number (8570736381852).

Almost surely, 2^{31426033400113} is an apocalyptic number.

It is an amenable number.

31426033400113 is a deficient number, since it is larger than the sum of its proper divisors (2856912127295).

31426033400113 is a wasteful number, since it uses less digits than its factorization.

31426033400113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2856912127294.

The product of its (nonzero) digits is 15552, while the sum is 31.

Adding to 31426033400113 its reverse (31100433062413), we get a palindrome (62526466462526).

The spelling of 31426033400113 in words is "thirty-one trillion, four hundred twenty-six billion, thirty-three million, four hundred thousand, one hundred thirteen".