31926130 has 8 divisors (see below), whose sum is σ = 57467052. Its totient is φ = 12770448.

The previous prime is 31926127. The next prime is 31926143. The reversal of 31926130 is 3162913.

It can be written as a sum of positive squares in 2 ways, for example, as 30371121 + 1555009 = 5511^2 + 1247^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 31926095 and 31926104.

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, 1596297 + ... + 1596316.

Almost surely, 2^31926130 is an apocalyptic number.

31926130 is a deficient number, since it is larger than the sum of its proper divisors (25540922).

31926130 is a wasteful number, since it uses less digits than its factorization.

31926130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3192620.

The product of its (nonzero) digits is 972, while the sum is 25.

The square root of 31926130 is about 5650.3212298063. The cubic root of 31926130 is about 317.2357277650.

The spelling of 31926130 in words is "thirty-one million, nine hundred twenty-six thousand, one hundred thirty".