31422312313 has 8 divisors (see below), whose sum is σ = 35912819840. Its totient is φ = 26932206240.

The previous prime is 31422312283. The next prime is 31422312323. The reversal of 31422312313 is 31321322413.

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 31422312313 - 2⁹ = 31422311801 is a prime.

It is a super-2 number, since 2×31422312313² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31422312323) 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, 91933 + ... + 267013.

It is an arithmetic number, because the mean of its divisors is an integer number (4489102480).

Almost surely, 2^31422312313 is an apocalyptic number.

It is an amenable number.

31422312313 is a deficient number, since it is larger than the sum of its proper divisors (4490507527).

31422312313 is a wasteful number, since it uses less digits than its factorization.

31422312313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200727.

The product of its digits is 2592, while the sum is 25.

Adding to 31422312313 its reverse (31321322413), we get a palindrome (62743634726).

The spelling of 31422312313 in words is "thirty-one billion, four hundred twenty-two million, three hundred twelve thousand, three hundred thirteen".