151030631840 has 72 divisors (see below), whose sum is σ = 392196020580. Its totient is φ = 54920222720.

The previous prime is 151030631833. The next prime is 151030631849. The reversal of 151030631840 is 48136030151.

It can be written as a sum of positive squares in 2 ways, for example, as 142089794704 + 8940837136 = 376948^2 + 94556^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 151030631797 and 151030631806.

It is not an unprimeable number, because it can be changed into a prime (151030631849) 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 11 ways as a sum of consecutive naturals, for example, 3881225 + ... + 3919944.

Almost surely, 2^151030631840 is an apocalyptic number.

151030631840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

151030631840 is an abundant number, since it is smaller than the sum of its proper divisors (241165388740).

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

151030631840 is a wasteful number, since it uses less digits than its factorization.

151030631840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7801206 (or 7801187 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

Adding to 151030631840 its reverse (48136030151), we get a palindrome (199166661991).

The spelling of 151030631840 in words is "one hundred fifty-one billion, thirty million, six hundred thirty-one thousand, eight hundred forty".