23311031351 has 2 divisors, whose sum is σ = 23311031352. Its totient is φ = 23311031350.

The previous prime is 23311031309. The next prime is 23311031407. The reversal of 23311031351 is 15313011332.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23311031351 - 2¹⁴ = 23311014967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23311031251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11655515675 + 11655515676.

It is an arithmetic number, because the mean of its divisors is an integer number (11655515676).

Almost surely, 2^23311031351 is an apocalyptic number.

23311031351 is a deficient number, since it is larger than the sum of its proper divisors (1).

23311031351 is an equidigital number, since it uses as much as digits as its factorization.

23311031351 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 810, while the sum is 23.

Adding to 23311031351 its reverse (15313011332), we get a palindrome (38624042683).

The spelling of 23311031351 in words is "twenty-three billion, three hundred eleven million, thirty-one thousand, three hundred fifty-one".