2131032042 has 24 divisors (see below), whose sum is σ = 4888838916. Its totient is φ = 668558976.

The previous prime is 2131031989. The next prime is 2131032047. The reversal of 2131032042 is 2402301312.

It can be written as a sum of positive squares in 2 ways, for example, as 2080180881 + 50851161 = 45609^2 + 7131^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (2131032047) 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, 3481773 + ... + 3482384.

Almost surely, 2^2131032042 is an apocalyptic number.

2131032042 is an abundant number, since it is smaller than the sum of its proper divisors (2757806874).

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

2131032042 is a wasteful number, since it uses less digits than its factorization.

2131032042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6964182 (or 6964179 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2131032042 is about 46163.1026037029. The cubic root of 2131032042 is about 1286.8561228562.

Adding to 2131032042 its reverse (2402301312), we get a palindrome (4533333354).

The spelling of 2131032042 in words is "two billion, one hundred thirty-one million, thirty-two thousand, forty-two".