31029434 has 8 divisors (see below), whose sum is σ = 46679328. Its totient is φ = 15469660.

The previous prime is 31029431. The next prime is 31029463. The reversal of 31029434 is 43492013.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (31029431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21662 + ... + 23049.

It is an arithmetic number, because the mean of its divisors is an integer number (5834916).

Almost surely, 2^31029434 is an apocalyptic number.

31029434 is a deficient number, since it is larger than the sum of its proper divisors (15649894).

31029434 is a wasteful number, since it uses less digits than its factorization.

31029434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45060.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 31029434 is about 5570.4069869265. The cubic root of 31029434 is about 314.2374567976.

The spelling of 31029434 in words is "thirty-one million, twenty-nine thousand, four hundred thirty-four".