31293068 has 6 divisors (see below), whose sum is σ = 54762876. Its totient is φ = 15646532.

The previous prime is 31293049. The next prime is 31293103. The reversal of 31293068 is 86039213.

It is a super-2 number, since 2×31293068² = 1958512209705248, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3911630 + ... + 3911637.

It is an arithmetic number, because the mean of its divisors is an integer number (9127146).

Almost surely, 2^31293068 is an apocalyptic number.

It is an amenable number.

31293068 is a deficient number, since it is larger than the sum of its proper divisors (23469808).

31293068 is a wasteful number, since it uses less digits than its factorization.

31293068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7823271 (or 7823269 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 31293068 is about 5594.0207364650. The cubic root of 31293068 is about 315.1248954636.

The spelling of 31293068 in words is "thirty-one million, two hundred ninety-three thousand, sixty-eight".