31313414133551 has 32 divisors (see below), whose sum is σ = 35165342177280. Its totient is φ = 27641330085600.

The previous prime is 31313414133511. The next prime is 31313414133581. The reversal of 31313414133551 is 15533141431313.

It is not a de Polignac number, because 31313414133551 - 2⁶ = 31313414133487 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 (31313414133511) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 270943760 + ... + 271059306.

It is an arithmetic number, because the mean of its divisors is an integer number (1098916943040).

Almost surely, 2^{31313414133551} is an apocalyptic number.

31313414133551 is a deficient number, since it is larger than the sum of its proper divisors (3851928043729).

31313414133551 is a wasteful number, since it uses less digits than its factorization.

31313414133551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120875.

The product of its digits is 97200, while the sum is 38.

Adding to 31313414133551 its reverse (15533141431313), we get a palindrome (46846555564864).

The spelling of 31313414133551 in words is "thirty-one trillion, three hundred thirteen billion, four hundred fourteen million, one hundred thirty-three thousand, five hundred fifty-one".