151312319 has 2 divisors, whose sum is σ = 151312320. Its totient is φ = 151312318.

The previous prime is 151312309. The next prime is 151312321. The reversal of 151312319 is 913213151.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 151312319 - 2⁴ = 151312303 is a prime.

It is a super-2 number, since 2×151312319² = 45790835762315522, which contains 22 as substring.

Together with 151312321, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (151312309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75656159 + 75656160.

It is an arithmetic number, because the mean of its divisors is an integer number (75656160).

Almost surely, 2^151312319 is an apocalyptic number.

151312319 is a deficient number, since it is larger than the sum of its proper divisors (1).

151312319 is an equidigital number, since it uses as much as digits as its factorization.

151312319 is an evil number, because the sum of its binary digits is even.

The product of its digits is 810, while the sum is 26.

The square root of 151312319 is about 12300.9072429638. The cubic root of 151312319 is about 532.8742843859.

The spelling of 151312319 in words is "one hundred fifty-one million, three hundred twelve thousand, three hundred nineteen".