151203131 has 2 divisors, whose sum is σ = 151203132. Its totient is φ = 151203130.

The previous prime is 151203113. The next prime is 151203137. The reversal of 151203131 is 131302151.

Together with previous prime (151203113) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is an emirp because it is prime and its reverse (131302151) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 151203131 - 2¹⁸ = 150940987 is a prime.

It is a super-2 number, since 2×151203131² = 45724773648406322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (151203137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75601565 + 75601566.

It is an arithmetic number, because the mean of its divisors is an integer number (75601566).

Almost surely, 2^151203131 is an apocalyptic number.

151203131 is a deficient number, since it is larger than the sum of its proper divisors (1).

151203131 is an equidigital number, since it uses as much as digits as its factorization.

151203131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90, while the sum is 17.

The square root of 151203131 is about 12296.4682327894. The cubic root of 151203131 is about 532.7460783051.

Adding to 151203131 its reverse (131302151), we get a palindrome (282505282).

The spelling of 151203131 in words is "one hundred fifty-one million, two hundred three thousand, one hundred thirty-one".