1431132231 has 32 divisors (see below), whose sum is σ = 2051562240. Its totient is φ = 884749824.

The previous prime is 1431132229. The next prime is 1431132251. The reversal of 1431132231 is 1322311341.

It is not a de Polignac number, because 1431132231 - 2¹ = 1431132229 is a prime.

It is a super-2 number, since 2×1431132231² = 4096278925214074722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1431132198 and 1431132207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1431132211) 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, 533265 + ... + 535941.

It is an arithmetic number, because the mean of its divisors is an integer number (64111320).

Almost surely, 2^1431132231 is an apocalyptic number.

1431132231 is a deficient number, since it is larger than the sum of its proper divisors (620430009).

1431132231 is a wasteful number, since it uses less digits than its factorization.

1431132231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2895.

The product of its digits is 432, while the sum is 21.

The square root of 1431132231 is about 37830.3083651191. The cubic root of 1431132231 is about 1126.9204350101.

Adding to 1431132231 its reverse (1322311341), we get a palindrome (2753443572).

The spelling of 1431132231 in words is "one billion, four hundred thirty-one million, one hundred thirty-two thousand, two hundred thirty-one".