310431042 has 48 divisors (see below), whose sum is σ = 700382592. Its totient is φ = 103051440.

The previous prime is 310431041. The next prime is 310431047. The reversal of 310431042 is 240134013.

310431042 is a `hidden beast` number, since 310 + 4 + 310 + 42 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (310431041) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 130528 + ... + 132884.

It is an arithmetic number, because the mean of its divisors is an integer number (14591304).

Almost surely, 2^310431042 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 310431042, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (350191296).

310431042 is an abundant number, since it is smaller than the sum of its proper divisors (389951550).

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

310431042 is a wasteful number, since it uses less digits than its factorization.

310431042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2645 (or 2633 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 310431042 is about 17619.0533797931. The cubic root of 310431042 is about 677.1034826145.

Adding to 310431042 its reverse (240134013), we get a palindrome (550565055).

The spelling of 310431042 in words is "three hundred ten million, four hundred thirty-one thousand, forty-two".