31834906 has 4 divisors (see below), whose sum is σ = 47752362. Its totient is φ = 15917452.

The previous prime is 31834903. The next prime is 31834939. The reversal of 31834906 is 60943813.

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

It can be written as a sum of positive squares in only one way, i.e., 21855625 + 9979281 = 4675^2 + 3159^2 .

It is a super-2 number, since 2×31834906² = 2026922480057672, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (31834903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7958725 + ... + 7958728.

Almost surely, 2^31834906 is an apocalyptic number.

31834906 is a deficient number, since it is larger than the sum of its proper divisors (15917456).

31834906 is a wasteful number, since it uses less digits than its factorization.

31834906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15917455.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 31834906 is about 5642.2429937038. The cubic root of 31834906 is about 316.9332887778.

The spelling of 31834906 in words is "thirty-one million, eight hundred thirty-four thousand, nine hundred six".