31896342 has 40 divisors (see below), whose sum is σ = 71795592. Its totient is φ = 10584000.

The previous prime is 31896341. The next prime is 31896367. The reversal of 31896342 is 24369813.

31896342 is a `hidden beast` number, since 3 + 18 + 9 + 634 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 31896297 and 31896306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31896341) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 64717 + ... + 65207.

Almost surely, 2^31896342 is an apocalyptic number.

31896342 is an abundant number, since it is smaller than the sum of its proper divisors (39899250).

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

31896342 is a wasteful number, since it uses less digits than its factorization.

31896342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 906 (or 897 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 31896342 is about 5647.6846583357. The cubic root of 31896342 is about 317.1370337029.

The spelling of 31896342 in words is "thirty-one million, eight hundred ninety-six thousand, three hundred forty-two".