2031131214 has 40 divisors (see below), whose sum is σ = 5201418288. Its totient is φ = 580322880.

The previous prime is 2031131189. The next prime is 2031131231. The reversal of 2031131214 is 4121311302.

It is a super-2 number, since 2×2031131214² = 8250988016970227592, which contains 22 as substring.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 894427 + ... + 896694.

Almost surely, 2^2031131214 is an apocalyptic number.

2031131214 is an abundant number, since it is smaller than the sum of its proper divisors (3170287074).

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

2031131214 is a wasteful number, since it uses less digits than its factorization.

2031131214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1791142 (or 1791133 counting only the distinct ones).

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

The square root of 2031131214 is about 45068.0731116830. The cubic root of 2031131214 is about 1266.4245672882.

Adding to 2031131214 its reverse (4121311302), we get a palindrome (6152442516).

The spelling of 2031131214 in words is "two billion, thirty-one million, one hundred thirty-one thousand, two hundred fourteen".