151156331 has 4 divisors (see below), whose sum is σ = 151327632. Its totient is φ = 150985032.

The previous prime is 151156321. The next prime is 151156337. The reversal of 151156331 is 133651151.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 133651151 = 1489 ⋅89759.

It is a cyclic number.

It is not a de Polignac number, because 151156331 - 2¹⁰ = 151155307 is a prime.

It is a super-2 number, since 2×151156331² = 45696472802763122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 151156331.

It is not an unprimeable number, because it can be changed into a prime (151156337) by changing a digit.

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

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84320 + ... + 86093.

It is an arithmetic number, because the mean of its divisors is an integer number (37831908).

Almost surely, 2^151156331 is an apocalyptic number.

151156331 is a deficient number, since it is larger than the sum of its proper divisors (171301).

151156331 is an equidigital number, since it uses as much as digits as its factorization.

151156331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171300.

The product of its digits is 1350, while the sum is 26.

The square root of 151156331 is about 12294.5651000757. The cubic root of 151156331 is about 532.6911079063.

The spelling of 151156331 in words is "one hundred fifty-one million, one hundred fifty-six thousand, three hundred thirty-one".