31412120224313 has 4 divisors (see below), whose sum is σ = 31790579504208. Its totient is φ = 31033660944420.

The previous prime is 31412120224279. The next prime is 31412120224327. The reversal of 31412120224313 is 31342202121413.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 31412120224313 - 2⁸ = 31412120224057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31412120224333) 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, 189229639823 + ... + 189229639988.

It is an arithmetic number, because the mean of its divisors is an integer number (7947644876052).

Almost surely, 2^{31412120224313} is an apocalyptic number.

It is an amenable number.

31412120224313 is a deficient number, since it is larger than the sum of its proper divisors (378459279895).

31412120224313 is an equidigital number, since it uses as much as digits as its factorization.

31412120224313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378459279894.

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 31412120224313 its reverse (31342202121413), we get a palindrome (62754322345726).

The spelling of 31412120224313 in words is "thirty-one trillion, four hundred twelve billion, one hundred twenty million, two hundred twenty-four thousand, three hundred thirteen".