311233123311293 has 2 divisors, whose sum is σ = 311233123311294. Its totient is φ = 311233123311292.

The previous prime is 311233123311233. The next prime is 311233123311307. The reversal of 311233123311293 is 392113321332113.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 291859058357689 + 19374064953604 = 17083883^2 + 4401598^2 .

It is a cyclic number.

It is not a de Polignac number, because 311233123311293 - 2¹⁶ = 311233123245757 is a prime.

It is a super-2 number, since 2×311233123311293² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (311233123311203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155616561655646 + 155616561655647.

It is an arithmetic number, because the mean of its divisors is an integer number (155616561655647).

Almost surely, 2^{311233123311293} is an apocalyptic number.

It is an amenable number.

311233123311293 is a deficient number, since it is larger than the sum of its proper divisors (1).

311233123311293 is an equidigital number, since it uses as much as digits as its factorization.

311233123311293 is an evil number, because the sum of its binary digits is even.

The product of its digits is 52488, while the sum is 38.

The spelling of 311233123311293 in words is "three hundred eleven trillion, two hundred thirty-three billion, one hundred twenty-three million, three hundred eleven thousand, two hundred ninety-three".