31072029696 has 264 divisors, whose sum is σ = 96023132400. Its totient is φ = 9648046080.

The previous prime is 31072029643. The next prime is 31072029713. The reversal of 31072029696 is 69692027013.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10679890 + ... + 10682798.

Almost surely, 2^31072029696 is an apocalyptic number.

31072029696 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31072029696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48011566200).

31072029696 is an abundant number, since it is smaller than the sum of its proper divisors (64951102704).

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

31072029696 is a wasteful number, since it uses less digits than its factorization.

31072029696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3015 (or 2994 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 45.

The spelling of 31072029696 in words is "thirty-one billion, seventy-two million, twenty-nine thousand, six hundred ninety-six".