2131000144 has 40 divisors (see below), whose sum is σ = 5081619200. Its totient is φ = 843032448.

The previous prime is 2131000129. The next prime is 2131000147. The reversal of 2131000144 is 4410001312.

It is a super-2 number, since 2×2131000144² = 9082323227456041472, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131000147) 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, 730344 + ... + 733255.

It is an arithmetic number, because the mean of its divisors is an integer number (127040480).

Almost surely, 2^2131000144 is an apocalyptic number.

It is an amenable number.

2131000144 is an abundant number, since it is smaller than the sum of its proper divisors (2950619056).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2131000144 is a wasteful number, since it uses less digits than its factorization.

2131000144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1463627 (or 1463621 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 2131000144 is about 46162.7571100341. The cubic root of 2131000144 is about 1286.8497021267.

Adding to 2131000144 its reverse (4410001312), we get a palindrome (6541001456).

The spelling of 2131000144 in words is "two billion, one hundred thirty-one million, one hundred forty-four", and thus it is an aban number.