2142401031 has 24 divisors (see below), whose sum is σ = 3259496240. Its totient is φ = 1352246400.

The previous prime is 2142401021. The next prime is 2142401039. The reversal of 2142401031 is 1301042412.

It is not a de Polignac number, because 2142401031 - 2⁵ = 2142400999 is a prime.

It is a super-2 number, since 2×2142401031² = 9179764355259725922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2142400995 and 2142401013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2142401039) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 376971 + ... + 382611.

Almost surely, 2^2142401031 is an apocalyptic number.

2142401031 is a deficient number, since it is larger than the sum of its proper divisors (1117095209).

2142401031 is a wasteful number, since it uses less digits than its factorization.

2142401031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7887 (or 7884 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 2142401031 is about 46286.0781553158. The cubic root of 2142401031 is about 1289.1405109434.

Adding to 2142401031 its reverse (1301042412), we get a palindrome (3443443443).

The spelling of 2142401031 in words is "two billion, one hundred forty-two million, four hundred one thousand, thirty-one".