1231696696 has 16 divisors (see below), whose sum is σ = 2310740640. Its totient is φ = 615499200.

The previous prime is 1231696657. The next prime is 1231696771. The reversal of 1231696696 is 6966961321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28336 + ... + 57151.

It is an arithmetic number, because the mean of its divisors is an integer number (144421290).

Almost surely, 2^1231696696 is an apocalyptic number.

It is an amenable number.

1231696696 is a deficient number, since it is larger than the sum of its proper divisors (1079043944).

1231696696 is a wasteful number, since it uses less digits than its factorization.

1231696696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87294 (or 87290 counting only the distinct ones).

The product of its digits is 629856, while the sum is 49.

The square root of 1231696696 is about 35095.5366962809. The cubic root of 1231696696 is about 1071.9337019034.

The spelling of 1231696696 in words is "one billion, two hundred thirty-one million, six hundred ninety-six thousand, six hundred ninety-six".