151322122631 has 2 divisors, whose sum is σ = 151322122632. Its totient is φ = 151322122630.

The previous prime is 151322122613. The next prime is 151322122681. The reversal of 151322122631 is 136221223151.

Together with previous prime (151322122613) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-151322122631 is a prime.

It is a super-2 number, since 2×151322122631² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 151322122594 and 151322122603.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (151322122681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75661061315 + 75661061316.

It is an arithmetic number, because the mean of its divisors is an integer number (75661061316).

Almost surely, 2^151322122631 is an apocalyptic number.

151322122631 is a deficient number, since it is larger than the sum of its proper divisors (1).

151322122631 is an equidigital number, since it uses as much as digits as its factorization.

151322122631 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4320, while the sum is 29.

Adding to 151322122631 its reverse (136221223151), we get a palindrome (287543345782).

The spelling of 151322122631 in words is "one hundred fifty-one billion, three hundred twenty-two million, one hundred twenty-two thousand, six hundred thirty-one".