31312123302211 has 8 divisors (see below), whose sum is σ = 32287290593040. Its totient is φ = 30351192030432.

The previous prime is 31312123302209. The next prime is 31312123302217. The reversal of 31312123302211 is 11220332121313.

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 31312123302211 - 2¹ = 31312123302209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31312123302217) 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, 3559000296 + ... + 3559009093.

It is an arithmetic number, because the mean of its divisors is an integer number (4035911324130).

Almost surely, 2^{31312123302211} is an apocalyptic number.

31312123302211 is a deficient number, since it is larger than the sum of its proper divisors (975167290829).

31312123302211 is an equidigital number, since it uses as much as digits as its factorization.

31312123302211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7118009525.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 31312123302211 its reverse (11220332121313), we get a palindrome (42532455423524).

The spelling of 31312123302211 in words is "thirty-one trillion, three hundred twelve billion, one hundred twenty-three million, three hundred two thousand, two hundred eleven".