2013312231 has 12 divisors (see below), whose sum is σ = 3323563152. Its totient is φ = 1150464096.

The previous prime is 2013312229. The next prime is 2013312233. The reversal of 2013312231 is 1322133102.

It is an interprime number because it is at equal distance from previous prime (2013312229) and next prime (2013312233).

It is not a de Polignac number, because 2013312231 - 2¹ = 2013312229 is a prime.

It is a super-2 number, since 2×2013312231² = 8106852278988394722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2013312233) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15978606 + ... + 15978731.

It is an arithmetic number, because the mean of its divisors is an integer number (276963596).

Almost surely, 2^2013312231 is an apocalyptic number.

2013312231 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2013312231 is a deficient number, since it is larger than the sum of its proper divisors (1310250921).

2013312231 is a wasteful number, since it uses less digits than its factorization.

2013312231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31957350 (or 31957347 counting only the distinct ones).

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

The square root of 2013312231 is about 44869.9479718887. The cubic root of 2013312231 is about 1262.7102639175.

Adding to 2013312231 its reverse (1322133102), we get a palindrome (3335445333).

The spelling of 2013312231 in words is "two billion, thirteen million, three hundred twelve thousand, two hundred thirty-one".