31434346 has 8 divisors (see below), whose sum is σ = 47320164. Its totient is φ = 15660960.

The previous prime is 31434329. The next prime is 31434371. The reversal of 31434346 is 64343413.

It can be written as a sum of positive squares in 2 ways, for example, as 31304025 + 130321 = 5595^2 + 361^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27405 + ... + 28528.

Almost surely, 2^31434346 is an apocalyptic number.

31434346 is a deficient number, since it is larger than the sum of its proper divisors (15885818).

31434346 is a wasteful number, since it uses less digits than its factorization.

31434346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56216.

The product of its digits is 10368, while the sum is 28.

The square root of 31434346 is about 5606.6341061282. The cubic root of 31434346 is about 315.5984123080.

Adding to 31434346 its reverse (64343413), we get a palindrome (95777759).

The spelling of 31434346 in words is "thirty-one million, four hundred thirty-four thousand, three hundred forty-six".