2140213131 has 24 divisors (see below), whose sum is σ = 3688351440. Its totient is φ = 1222978176.

The previous prime is 2140213111. The next prime is 2140213139. The reversal of 2140213131 is 1313120412.

It is not a de Polignac number, because 2140213131 - 2⁵ = 2140213099 is a prime.

It is a super-2 number, since 2×2140213131² = 9161024492209646322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2140213139) 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, 807526 + ... + 810171.

It is an arithmetic number, because the mean of its divisors is an integer number (153681310).

Almost surely, 2^2140213131 is an apocalyptic number.

2140213131 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2140213131 is a deficient number, since it is larger than the sum of its proper divisors (1548138309).

2140213131 is a wasteful number, since it uses less digits than its factorization.

2140213131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1617720 (or 1617707 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 2140213131 is about 46262.4375816926. The cubic root of 2140213131 is about 1288.7015219828.

Adding to 2140213131 its reverse (1313120412), we get a palindrome (3453333543).

The spelling of 2140213131 in words is "two billion, one hundred forty million, two hundred thirteen thousand, one hundred thirty-one".