31013143052351 has 2 divisors, whose sum is σ = 31013143052352. Its totient is φ = 31013143052350.

The previous prime is 31013143052317. The next prime is 31013143052357. The reversal of 31013143052351 is 15325034131013.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31013143052351 is a prime.

It is a super-2 number, since 2×31013143052351² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31013143052357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15506571526175 + 15506571526176.

It is an arithmetic number, because the mean of its divisors is an integer number (15506571526176).

Almost surely, 2^{31013143052351} is an apocalyptic number.

31013143052351 is a deficient number, since it is larger than the sum of its proper divisors (1).

31013143052351 is an equidigital number, since it uses as much as digits as its factorization.

31013143052351 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16200, while the sum is 32.

Adding to 31013143052351 its reverse (15325034131013), we get a palindrome (46338177183364).

The spelling of 31013143052351 in words is "thirty-one trillion, thirteen billion, one hundred forty-three million, fifty-two thousand, three hundred fifty-one".