151431312 has 40 divisors (see below), whose sum is σ = 392787360. Its totient is φ = 50272000.

The previous prime is 151431307. The next prime is 151431317. The reversal of 151431312 is 213134151.

It is an interprime number because it is at equal distance from previous prime (151431307) and next prime (151431317).

It is not an unprimeable number, because it can be changed into a prime (151431317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5764 + ... + 18332.

It is an arithmetic number, because the mean of its divisors is an integer number (9819684).

Almost surely, 2^151431312 is an apocalyptic number.

151431312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

151431312 is an abundant number, since it is smaller than the sum of its proper divisors (241356048).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

151431312 is a wasteful number, since it uses less digits than its factorization.

151431312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12831 (or 12825 counting only the distinct ones).

The product of its digits is 360, while the sum is 21.

The square root of 151431312 is about 12305.7430494871. The cubic root of 151431312 is about 533.0139330627.

Adding to 151431312 its reverse (213134151), we get a palindrome (364565463).

The spelling of 151431312 in words is "one hundred fifty-one million, four hundred thirty-one thousand, three hundred twelve".