31772080617983 has 8 divisors (see below), whose sum is σ = 32954391699600. Its totient is φ = 30595551009408.

The previous prime is 31772080617869. The next prime is 31772080618133. The reversal of 31772080617983 is 38971608027713.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 31772080617983 - 2¹² = 31772080613887 is a prime.

It is a super-2 number, since 2×31772080617983² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31772080617083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1445357066 + ... + 1445379047.

It is an arithmetic number, because the mean of its divisors is an integer number (4119298962450).

Almost surely, 2^{31772080617983} is an apocalyptic number.

31772080617983 is a deficient number, since it is larger than the sum of its proper divisors (1182311081617).

31772080617983 is a wasteful number, since it uses less digits than its factorization.

31772080617983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2890736521.

The product of its (nonzero) digits is 21337344, while the sum is 62.

The spelling of 31772080617983 in words is "thirty-one trillion, seven hundred seventy-two billion, eighty million, six hundred seventeen thousand, nine hundred eighty-three".