31394202 has 24 divisors (see below), whose sum is σ = 73040256. Its totient is φ = 8969688.

The previous prime is 31394201. The next prime is 31394221. The reversal of 31394202 is 20249313.

It is not an unprimeable number, because it can be changed into a prime (31394201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 53098 + ... + 53685.

It is an arithmetic number, because the mean of its divisors is an integer number (3043344).

Almost surely, 2^31394202 is an apocalyptic number.

31394202 is an abundant number, since it is smaller than the sum of its proper divisors (41646054).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31394202 is a wasteful number, since it uses less digits than its factorization.

31394202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106802 (or 106795 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 31394202 is about 5603.0529178297. The cubic root of 31394202 is about 315.4640075209.

The spelling of 31394202 in words is "thirty-one million, three hundred ninety-four thousand, two hundred two".