251030030152 has 32 divisors (see below), whose sum is σ = 513695445120. Its totient is φ = 114054575040.

The previous prime is 251030030149. The next prime is 251030030233.

251030030152 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×251030030152² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 422403 + ... + 824914.

It is an arithmetic number, because the mean of its divisors is an integer number (16052982660).

Almost surely, 2^251030030152 is an apocalyptic number.

251030030152 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

251030030152 is an abundant number, since it is smaller than the sum of its proper divisors (262665414968).

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

251030030152 is a wasteful number, since it uses less digits than its factorization.

251030030152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1249621 (or 1249617 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 22.

It can be divided in two parts, 2510300 and 30152, that added together give a palindrome (2540452).

The spelling of 251030030152 in words is "two hundred fifty-one billion, thirty million, thirty thousand, one hundred fifty-two".