30431134 has 4 divisors (see below), whose sum is σ = 45646704. Its totient is φ = 15215566.

The previous prime is 30431101. The next prime is 30431161. The reversal of 30431134 is 43113403.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7607782 + ... + 7607785.

It is an arithmetic number, because the mean of its divisors is an integer number (11411676).

Almost surely, 2^30431134 is an apocalyptic number.

30431134 is a deficient number, since it is larger than the sum of its proper divisors (15215570).

30431134 is a wasteful number, since it uses less digits than its factorization.

30431134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15215569.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 30431134 is about 5516.4421505169. The cubic root of 30431134 is about 312.2046583492.

Adding to 30431134 its reverse (43113403), we get a palindrome (73544537).

The spelling of 30431134 in words is "thirty million, four hundred thirty-one thousand, one hundred thirty-four".