151322122531 has 2 divisors, whose sum is σ = 151322122532. Its totient is φ = 151322122530.

The previous prime is 151322122519. The next prime is 151322122543. The reversal of 151322122531 is 135221223151.

It is a balanced prime because it is at equal distance from previous prime (151322122519) and next prime (151322122543).

It is a cyclic number.

It is not a de Polignac number, because 151322122531 - 2⁵ = 151322122499 is a prime.

It is a super-2 number, since 2×151322122531² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 151322122531.

It is not a weakly prime, because it can be changed into another prime (151322122631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75661061265 + 75661061266.

It is an arithmetic number, because the mean of its divisors is an integer number (75661061266).

Almost surely, 2^151322122531 is an apocalyptic number.

151322122531 is a deficient number, since it is larger than the sum of its proper divisors (1).

151322122531 is an equidigital number, since it uses as much as digits as its factorization.

151322122531 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3600, while the sum is 28.

Adding to 151322122531 its reverse (135221223151), we get a palindrome (286543345682).

The spelling of 151322122531 in words is "one hundred fifty-one billion, three hundred twenty-two million, one hundred twenty-two thousand, five hundred thirty-one".