2331314401081 has 2 divisors, whose sum is σ = 2331314401082. Its totient is φ = 2331314401080.

The previous prime is 2331314401027. The next prime is 2331314401121. The reversal of 2331314401081 is 1801044131332.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1928196074025 + 403118327056 = 1388595^2 + 634916^2 .

It is a cyclic number.

It is not a de Polignac number, because 2331314401081 - 2³¹ = 2329166917433 is a prime.

It is a super-2 number, since 2×2331314401081² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2331314405081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1165657200540 + 1165657200541.

It is an arithmetic number, because the mean of its divisors is an integer number (1165657200541).

Almost surely, 2^{2331314401081} is an apocalyptic number.

It is an amenable number.

2331314401081 is a deficient number, since it is larger than the sum of its proper divisors (1).

2331314401081 is an equidigital number, since it uses as much as digits as its factorization.

2331314401081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 31.

The spelling of 2331314401081 in words is "two trillion, three hundred thirty-one billion, three hundred fourteen million, four hundred one thousand, eighty-one".