2031123132 has 18 divisors (see below), whose sum is σ = 5134228008. Its totient is φ = 677041032.

The previous prime is 2031123121. The next prime is 2031123139. The reversal of 2031123132 is 2313211302.

2031123132 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×2031123132² = 8250922354690978848, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2031123139) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28210008 + ... + 28210079.

Almost surely, 2^2031123132 is an apocalyptic number.

It is an amenable number.

2031123132 is an abundant number, since it is smaller than the sum of its proper divisors (3103104876).

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

2031123132 is a wasteful number, since it uses less digits than its factorization.

2031123132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56420097 (or 56420092 counting only the distinct ones).

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

The square root of 2031123132 is about 45067.9834472322. The cubic root of 2031123132 is about 1266.4228875581.

Adding to 2031123132 its reverse (2313211302), we get a palindrome (4344334434).

The spelling of 2031123132 in words is "two billion, thirty-one million, one hundred twenty-three thousand, one hundred thirty-two".