312404132172151 has 2 divisors, whose sum is σ = 312404132172152. Its totient is φ = 312404132172150.

The previous prime is 312404132172131. The next prime is 312404132172203. The reversal of 312404132172151 is 151271231404213.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 312404132172151 - 2⁹ = 312404132171639 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 312404132172151.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312404132172131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156202066086075 + 156202066086076.

It is an arithmetic number, because the mean of its divisors is an integer number (156202066086076).

Almost surely, 2^{312404132172151} is an apocalyptic number.

312404132172151 is a deficient number, since it is larger than the sum of its proper divisors (1).

312404132172151 is an equidigital number, since it uses as much as digits as its factorization.

312404132172151 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40320, while the sum is 37.

Adding to 312404132172151 its reverse (151271231404213), we get a palindrome (463675363576364).

The spelling of 312404132172151 in words is "three hundred twelve trillion, four hundred four billion, one hundred thirty-two million, one hundred seventy-two thousand, one hundred fifty-one".