31432506665413 has 8 divisors (see below), whose sum is σ = 35925345908480. Its totient is φ = 26940287709360.

The previous prime is 31432506665411. The next prime is 31432506665419. The reversal of 31432506665413 is 31456660523413.

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 31432506665413 - 2¹ = 31432506665411 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31432506665411) 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, 154963158 + ... + 155165863.

It is an arithmetic number, because the mean of its divisors is an integer number (4490668238560).

Almost surely, 2^{31432506665413} is an apocalyptic number.

It is an amenable number.

31432506665413 is a deficient number, since it is larger than the sum of its proper divisors (4492839243067).

31432506665413 is a wasteful number, since it uses less digits than its factorization.

31432506665413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310143507.

The product of its (nonzero) digits is 4665600, while the sum is 49.

The spelling of 31432506665413 in words is "thirty-one trillion, four hundred thirty-two billion, five hundred six million, six hundred sixty-five thousand, four hundred thirteen".