2311434321377 has 2 divisors, whose sum is σ = 2311434321378. Its totient is φ = 2311434321376.

The previous prime is 2311434321347. The next prime is 2311434321401. The reversal of 2311434321377 is 7731234341132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1501117490401 + 810316830976 = 1225201^2 + 900176^2 .

It is a cyclic number.

It is not a de Polignac number, because 2311434321377 - 2⁸ = 2311434321121 is a prime.

It is a super-2 number, since 2×2311434321377² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2311434321347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1155717160688 + 1155717160689.

It is an arithmetic number, because the mean of its divisors is an integer number (1155717160689).

Almost surely, 2^{2311434321377} is an apocalyptic number.

It is an amenable number.

2311434321377 is a deficient number, since it is larger than the sum of its proper divisors (1).

2311434321377 is an equidigital number, since it uses as much as digits as its factorization.

2311434321377 is an evil number, because the sum of its binary digits is even.

The product of its digits is 254016, while the sum is 41.

The spelling of 2311434321377 in words is "two trillion, three hundred eleven billion, four hundred thirty-four million, three hundred twenty-one thousand, three hundred seventy-seven".