31093402 has 8 divisors (see below), whose sum is σ = 46822356. Its totient is φ = 15485952.

The previous prime is 31093397. The next prime is 31093417. The reversal of 31093402 is 20439013.

It can be written as a sum of positive squares in 2 ways, for example, as 22099401 + 8994001 = 4701^2 + 2999^2 .

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, 29733 + ... + 30760.

Almost surely, 2^31093402 is an apocalyptic number.

31093402 is a deficient number, since it is larger than the sum of its proper divisors (15728954).

31093402 is a wasteful number, since it uses less digits than its factorization.

31093402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60752.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 31093402 is about 5576.1458015371. The cubic root of 31093402 is about 314.4532448611.

The spelling of 31093402 in words is "thirty-one million, ninety-three thousand, four hundred two".