312233332157 has 2 divisors, whose sum is σ = 312233332158. Its totient is φ = 312233332156.

The previous prime is 312233332091. The next prime is 312233332171. The reversal of 312233332157 is 751233332213.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 311750255716 + 483076441 = 558346^2 + 21979^2 .

It is a cyclic number.

It is not a de Polignac number, because 312233332157 - 2¹⁴ = 312233315773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312233352157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156116666078 + 156116666079.

It is an arithmetic number, because the mean of its divisors is an integer number (156116666079).

Almost surely, 2^312233332157 is an apocalyptic number.

It is an amenable number.

312233332157 is a deficient number, since it is larger than the sum of its proper divisors (1).

312233332157 is an equidigital number, since it uses as much as digits as its factorization.

312233332157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 68040, while the sum is 35.

The spelling of 312233332157 in words is "three hundred twelve billion, two hundred thirty-three million, three hundred thirty-two thousand, one hundred fifty-seven".