31312333212323 has 8 divisors (see below), whose sum is σ = 32077645244736. Its totient is φ = 30547097208000.

The previous prime is 31312333212289. The next prime is 31312333212337. The reversal of 31312333212323 is 32321233321313.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31312333212323 is a prime.

It is a super-2 number, since 2×31312333212323² (a number of 28 digits) contains 22 as substring.

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 31312333212323.

It is not an unprimeable number, because it can be changed into a prime (31312333212023) 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, 18172811 + ... + 19821092.

It is an arithmetic number, because the mean of its divisors is an integer number (4009705655592).

Almost surely, 2^{31312333212323} is an apocalyptic number.

31312333212323 is a deficient number, since it is larger than the sum of its proper divisors (765312032413).

31312333212323 is a wasteful number, since it uses less digits than its factorization.

31312333212323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38014045.

The product of its digits is 34992, while the sum is 32.

Adding to 31312333212323 its reverse (32321233321313), we get a palindrome (63633566533636).

The spelling of 31312333212323 in words is "thirty-one trillion, three hundred twelve billion, three hundred thirty-three million, two hundred twelve thousand, three hundred twenty-three".