331120434 has 16 divisors (see below), whose sum is σ = 685077120. Its totient is φ = 106567440.

The previous prime is 331120423. The next prime is 331120451. The reversal of 331120434 is 434021133.

It is a self number, because there is not a number n which added to its sum of digits gives 331120434.

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, 951322 + ... + 951669.

It is an arithmetic number, because the mean of its divisors is an integer number (42817320).

Almost surely, 2^331120434 is an apocalyptic number.

331120434 is an abundant number, since it is smaller than the sum of its proper divisors (353956686).

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

331120434 is a wasteful number, since it uses less digits than its factorization.

331120434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1903025.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 331120434 is about 18196.7149233042. The cubic root of 331120434 is about 691.8235277335.

Adding to 331120434 its reverse (434021133), we get a palindrome (765141567).

The spelling of 331120434 in words is "three hundred thirty-one million, one hundred twenty thousand, four hundred thirty-four".