2311231023077 has 2 divisors, whose sum is σ = 2311231023078. Its totient is φ = 2311231023076.

The previous prime is 2311231023067. The next prime is 2311231023109. The reversal of 2311231023077 is 7703201321132.

It is an a-pointer prime, because the next prime (2311231023109) can be obtained adding 2311231023077 to its sum of digits (32).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2309424263041 + 1806760036 = 1519679^2 + 42506^2 .

It is a cyclic number.

It is not a de Polignac number, because 2311231023077 - 2¹² = 2311231018981 is a prime.

It is a super-2 number, since 2×2311231023077² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2311231023067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1155615511538 + 1155615511539.

It is an arithmetic number, because the mean of its divisors is an integer number (1155615511539).

Almost surely, 2^{2311231023077} is an apocalyptic number.

It is an amenable number.

2311231023077 is a deficient number, since it is larger than the sum of its proper divisors (1).

2311231023077 is an equidigital number, since it uses as much as digits as its factorization.

2311231023077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10584, while the sum is 32.

The spelling of 2311231023077 in words is "two trillion, three hundred eleven billion, two hundred thirty-one million, twenty-three thousand, seventy-seven".