31413279936191 has 4 divisors (see below), whose sum is σ = 32262287502072. Its totient is φ = 30564272370312.

The previous prime is 31413279936079. The next prime is 31413279936229. The reversal of 31413279936191 is 19163997231413.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 31413279936191 - 2¹⁴ = 31413279919807 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 31413279936191.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31413279336191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 424503782885 + ... + 424503782958.

It is an arithmetic number, because the mean of its divisors is an integer number (8065571875518).

Almost surely, 2^{31413279936191} is an apocalyptic number.

31413279936191 is a deficient number, since it is larger than the sum of its proper divisors (849007565881).

31413279936191 is an equidigital number, since it uses as much as digits as its factorization.

31413279936191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 849007565880.

The product of its digits is 6613488, while the sum is 59.

The spelling of 31413279936191 in words is "thirty-one trillion, four hundred thirteen billion, two hundred seventy-nine million, nine hundred thirty-six thousand, one hundred ninety-one".