31412113243 has 16 divisors (see below), whose sum is σ = 36294229440. Its totient is φ = 26629042176.

The previous prime is 31412113217. The next prime is 31412113331. The reversal of 31412113243 is 34231121413.

It is not a de Polignac number, because 31412113243 - 2²¹ = 31410016091 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31412113543) 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, 1039593 + ... + 1069381.

It is an arithmetic number, because the mean of its divisors is an integer number (2268389340).

Almost surely, 2^31412113243 is an apocalyptic number.

31412113243 is a deficient number, since it is larger than the sum of its proper divisors (4882116197).

31412113243 is a wasteful number, since it uses less digits than its factorization.

31412113243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31446.

The product of its digits is 1728, while the sum is 25.

Adding to 31412113243 its reverse (34231121413), we get a palindrome (65643234656).

The spelling of 31412113243 in words is "thirty-one billion, four hundred twelve million, one hundred thirteen thousand, two hundred forty-three".