2313212013 has 24 divisors (see below), whose sum is σ = 3960069568. Its totient is φ = 1321834464.

The previous prime is 2313212009. The next prime is 2313212071. The reversal of 2313212013 is 3102123132.

It is not a de Polignac number, because 2313212013 - 2² = 2313212009 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2313213013) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 678256 + ... + 681657.

Almost surely, 2^2313212013 is an apocalyptic number.

It is an amenable number.

2313212013 is a deficient number, since it is larger than the sum of its proper divisors (1646857555).

2313212013 is an equidigital number, since it uses as much as digits as its factorization.

2313212013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1359935 (or 1359923 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 2313212013 is about 48095.8627430676. The cubic root of 2313212013 is about 1322.5288247643.

Adding to 2313212013 its reverse (3102123132), we get a palindrome (5415335145).

The spelling of 2313212013 in words is "two billion, three hundred thirteen million, two hundred twelve thousand, thirteen".