31133033197 has 16 divisors (see below), whose sum is σ = 37314201600. Its totient is φ = 25396926192.

The previous prime is 31133033171. The next prime is 31133033207. The reversal of 31133033197 is 79133033113.

It is a cyclic number.

It is not a de Polignac number, because 31133033197 - 2⁷ = 31133033069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31133003197) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 453823 + ... + 517900.

It is an arithmetic number, because the mean of its divisors is an integer number (2332137600).

Almost surely, 2^31133033197 is an apocalyptic number.

It is an amenable number.

31133033197 is a deficient number, since it is larger than the sum of its proper divisors (6181168403).

31133033197 is a wasteful number, since it uses less digits than its factorization.

31133033197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 971952.

The product of its (nonzero) digits is 15309, while the sum is 34.

The spelling of 31133033197 in words is "thirty-one billion, one hundred thirty-three million, thirty-three thousand, one hundred ninety-seven".