31526004668 has 6 divisors (see below), whose sum is σ = 55170508176. Its totient is φ = 15763002332.

The previous prime is 31526004611. The next prime is 31526004721. The reversal of 31526004668 is 86640062513.

It is a super-5 number, since 5×31526004668⁵ (a number of 54 digits) contains 55555 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3940750580 + ... + 3940750587.

It is an arithmetic number, because the mean of its divisors is an integer number (9195084696).

Almost surely, 2^31526004668 is an apocalyptic number.

It is an amenable number.

31526004668 is a deficient number, since it is larger than the sum of its proper divisors (23644503508).

31526004668 is a wasteful number, since it uses less digits than its factorization.

31526004668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7881501171 (or 7881501169 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 41.

The spelling of 31526004668 in words is "thirty-one billion, five hundred twenty-six million, four thousand, six hundred sixty-eight".