31542671197393 has 8 divisors (see below), whose sum is σ = 31647652102080. Its totient is φ = 31437724741200.

The previous prime is 31542671197357. The next prime is 31542671197459. The reversal of 31542671197393 is 39379117624513.

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 31542671197393 - 2³⁷ = 31405232243921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31542671197333) 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, 6777133 + ... + 10441018.

It is an arithmetic number, because the mean of its divisors is an integer number (3955956512760).

Almost surely, 2^{31542671197393} is an apocalyptic number.

It is an amenable number.

31542671197393 is a deficient number, since it is larger than the sum of its proper divisors (104980904687).

31542671197393 is a wasteful number, since it uses less digits than its factorization.

31542671197393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17224247.

The product of its digits is 25719120, while the sum is 61.

The spelling of 31542671197393 in words is "thirty-one trillion, five hundred forty-two billion, six hundred seventy-one million, one hundred ninety-seven thousand, three hundred ninety-three".