2140433031 has 32 divisors (see below), whose sum is σ = 3162931200. Its totient is φ = 1276685280.

The previous prime is 2140433027. The next prime is 2140433047. The reversal of 2140433031 is 1303340412.

It is not a de Polignac number, because 2140433031 - 2² = 2140433027 is a prime.

It is a super-2 number, since 2×2140433031² = 9162907120391693922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2140432989 and 2140433007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2140433081) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 934770 + ... + 937056.

It is an arithmetic number, because the mean of its divisors is an integer number (98841600).

Almost surely, 2^2140433031 is an apocalyptic number.

2140433031 is a deficient number, since it is larger than the sum of its proper divisors (1022498169).

2140433031 is a wasteful number, since it uses less digits than its factorization.

2140433031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2739.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 2140433031 is about 46264.8141788120. The cubic root of 2140433031 is about 1288.7456571136.

Adding to 2140433031 its reverse (1303340412), we get a palindrome (3443773443).

The spelling of 2140433031 in words is "two billion, one hundred forty million, four hundred thirty-three thousand, thirty-one".