151130531 has 4 divisors (see below), whose sum is σ = 151158912. Its totient is φ = 151102152.

The previous prime is 151130519. The next prime is 151130537. The reversal of 151130531 is 135031151.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 151130531 - 2¹⁴ = 151114147 is a prime.

It is a super-2 number, since 2×151130531² = 45680874800683922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (151130537) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3536 + ... + 17741.

It is an arithmetic number, because the mean of its divisors is an integer number (37789728).

Almost surely, 2^151130531 is an apocalyptic number.

151130531 is a deficient number, since it is larger than the sum of its proper divisors (28381).

151130531 is an equidigital number, since it uses as much as digits as its factorization.

151130531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28380.

The product of its (nonzero) digits is 225, while the sum is 20.

The square root of 151130531 is about 12293.5158111909. The cubic root of 151130531 is about 532.6607988602.

Adding to 151130531 its reverse (135031151), we get a palindrome (286161682).

The spelling of 151130531 in words is "one hundred fifty-one million, one hundred thirty thousand, five hundred thirty-one".