312203101321013 has 8 divisors (see below), whose sum is σ = 356824382180928. Its totient is φ = 267587029914624.

The previous prime is 312203101321009. The next prime is 312203101321049. The reversal of 312203101321013 is 310123101302213.

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

It is not a de Polignac number, because 312203101321013 - 2² = 312203101321009 is a prime.

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 312203101321013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312203101321063) 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, 1302234956 + ... + 1302474677.

It is an arithmetic number, because the mean of its divisors is an integer number (44603047772616).

Almost surely, 2^{312203101321013} is an apocalyptic number.

It is an amenable number.

312203101321013 is a deficient number, since it is larger than the sum of its proper divisors (44621280859915).

312203101321013 is a wasteful number, since it uses less digits than its factorization.

312203101321013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2604726763.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 312203101321013 its reverse (310123101302213), we get a palindrome (622326202623226).

The spelling of 312203101321013 in words is "three hundred twelve trillion, two hundred three billion, one hundred one million, three hundred twenty-one thousand, thirteen".