159012331 has 2 divisors, whose sum is σ = 159012332. Its totient is φ = 159012330.

The previous prime is 159012319. The next prime is 159012341. The reversal of 159012331 is 133210951.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-159012331 is a prime.

It is a super-2 number, since 2×159012331² = 50569842820107122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 159012296 and 159012305.

It is not a weakly prime, because it can be changed into another prime (159012341) 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, 79506165 + 79506166.

It is an arithmetic number, because the mean of its divisors is an integer number (79506166).

Almost surely, 2^159012331 is an apocalyptic number.

159012331 is a deficient number, since it is larger than the sum of its proper divisors (1).

159012331 is an equidigital number, since it uses as much as digits as its factorization.

159012331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 810, while the sum is 25.

The square root of 159012331 is about 12610.0091593940. The cubic root of 159012331 is about 541.7641560018.

The spelling of 159012331 in words is "one hundred fifty-nine million, twelve thousand, three hundred thirty-one".