1431040232 has 8 divisors (see below), whose sum is σ = 2683200450. Its totient is φ = 715520112.

The previous prime is 1431040217. The next prime is 1431040291. The reversal of 1431040232 is 2320401341.

It can be written as a sum of positive squares in only one way, i.e., 1384881796 + 46158436 = 37214^2 + 6794^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×1431040232² = 4095752291205227648, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 89440007 + ... + 89440022.

Almost surely, 2^1431040232 is an apocalyptic number.

It is an amenable number.

1431040232 is a deficient number, since it is larger than the sum of its proper divisors (1252160218).

1431040232 is a wasteful number, since it uses less digits than its factorization.

1431040232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178880035 (or 178880031 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1431040232 is about 37829.0924025412. The cubic root of 1431040232 is about 1126.8962868164.

Adding to 1431040232 its reverse (2320401341), we get a palindrome (3751441573).

The spelling of 1431040232 in words is "one billion, four hundred thirty-one million, forty thousand, two hundred thirty-two".