130331334 has 32 divisors (see below), whose sum is σ = 300980736. Its totient is φ = 36852480.

The previous prime is 130331303. The next prime is 130331339. The reversal of 130331334 is 433133031.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 130331334.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130331339) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11922 + ... + 20069.

It is an arithmetic number, because the mean of its divisors is an integer number (9405648).

Almost surely, 2^130331334 is an apocalyptic number.

130331334 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

130331334 is an abundant number, since it is smaller than the sum of its proper divisors (170649402).

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

130331334 is a wasteful number, since it uses less digits than its factorization.

130331334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32100.

The product of its (nonzero) digits is 972, while the sum is 21.

The square root of 130331334 is about 11416.2749616501. The cubic root of 130331334 is about 507.0097139151.

Adding to 130331334 its reverse (433133031), we get a palindrome (563464365).

The spelling of 130331334 in words is "one hundred thirty million, three hundred thirty-one thousand, three hundred thirty-four".