680031292 has 6 divisors (see below), whose sum is σ = 1190054768. Its totient is φ = 340015644.

The previous prime is 680031217. The next prime is 680031293. The reversal of 680031292 is 292130086.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680031293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85003908 + ... + 85003915.

Almost surely, 2^680031292 is an apocalyptic number.

It is an amenable number.

680031292 is a deficient number, since it is larger than the sum of its proper divisors (510023476).

680031292 is a wasteful number, since it uses less digits than its factorization.

680031292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170007827 (or 170007825 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 680031292 is about 26077.4096106189. The cubic root of 680031292 is about 879.3794230085.

The spelling of 680031292 in words is "six hundred eighty million, thirty-one thousand, two hundred ninety-two".