2142531213 has 16 divisors (see below), whose sum is σ = 3061481856. Its totient is φ = 1329324480.

The previous prime is 2142531191. The next prime is 2142531253. The reversal of 2142531213 is 3121352412.

It is not a de Polignac number, because 2142531213 - 2¹² = 2142527117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2142531253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 417058 + ... + 422163.

It is an arithmetic number, because the mean of its divisors is an integer number (191342616).

Almost surely, 2^2142531213 is an apocalyptic number.

2142531213 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2142531213 is a deficient number, since it is larger than the sum of its proper divisors (918950643).

2142531213 is a wasteful number, since it uses less digits than its factorization.

2142531213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 839284.

The product of its digits is 1440, while the sum is 24.

The square root of 2142531213 is about 46287.4844099353. The cubic root of 2142531213 is about 1289.1666217553.

Adding to 2142531213 its reverse (3121352412), we get a palindrome (5263883625).

The spelling of 2142531213 in words is "two billion, one hundred forty-two million, five hundred thirty-one thousand, two hundred thirteen".