31212314123 has 8 divisors (see below), whose sum is σ = 31296706560. Its totient is φ = 31128032320.

The previous prime is 31212314053. The next prime is 31212314149. The reversal of 31212314123 is 32141321213.

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 31212314123 - 2¹⁸ = 31212051979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31212310123) 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, 553718 + ... + 607476.

It is an arithmetic number, because the mean of its divisors is an integer number (3912088320).

Almost surely, 2^31212314123 is an apocalyptic number.

31212314123 is a deficient number, since it is larger than the sum of its proper divisors (84392437).

31212314123 is an equidigital number, since it uses as much as digits as its factorization.

31212314123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55317.

The product of its digits is 864, while the sum is 23.

Adding to 31212314123 its reverse (32141321213), we get a palindrome (63353635336).

The spelling of 31212314123 in words is "thirty-one billion, two hundred twelve million, three hundred fourteen thousand, one hundred twenty-three".