12313021011 has 8 divisors (see below), whose sum is σ = 16662396864. Its totient is φ = 8086162920.

The previous prime is 12313020971. The next prime is 12313021013. The reversal of 12313021011 is 11012031321.

It is a happy number.

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

It is not a de Polignac number, because 12313021011 - 2⁶ = 12313020947 is a prime.

It is a super-2 number, since 2×12313021011² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12313021013) 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, 30629205 + ... + 30629606.

It is an arithmetic number, because the mean of its divisors is an integer number (2082799608).

Almost surely, 2^12313021011 is an apocalyptic number.

12313021011 is a deficient number, since it is larger than the sum of its proper divisors (4349375853).

12313021011 is an equidigital number, since it uses as much as digits as its factorization.

12313021011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61258881.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 12313021011 its reverse (11012031321), we get a palindrome (23325052332).

The spelling of 12313021011 in words is "twelve billion, three hundred thirteen million, twenty-one thousand, eleven".