2031430431 has 8 divisors (see below), whose sum is σ = 2709266560. Its totient is φ = 1353940632.

The previous prime is 2031430421. The next prime is 2031430433. The reversal of 2031430431 is 1340341302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2031430431 - 2¹¹ = 2031428383 is a prime.

It is a super-2 number, since 2×2031430431² = 8253419191985691522, 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 = 2031430398 and 2031430407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2031430433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72571 + ... + 96588.

It is an arithmetic number, because the mean of its divisors is an integer number (338658320).

Almost surely, 2^2031430431 is an apocalyptic number.

2031430431 is a deficient number, since it is larger than the sum of its proper divisors (677836129).

2031430431 is a wasteful number, since it uses less digits than its factorization.

2031430431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173165.

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

The square root of 2031430431 is about 45071.3926010724. The cubic root of 2031430431 is about 1266.4867522013.

Adding to 2031430431 its reverse (1340341302), we get a palindrome (3371771733).

The spelling of 2031430431 in words is "two billion, thirty-one million, four hundred thirty thousand, four hundred thirty-one".