1432431311 has 12 divisors (see below), whose sum is σ = 1454780208. Its totient is φ = 1410367872.

The previous prime is 1432431289. The next prime is 1432431359. The reversal of 1432431311 is 1131342341.

It is a de Polignac number, because none of the positive numbers 2^k-1432431311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1432421311) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3134195 + ... + 3134651.

It is an arithmetic number, because the mean of its divisors is an integer number (121231684).

Almost surely, 2^1432431311 is an apocalyptic number.

1432431311 is a deficient number, since it is larger than the sum of its proper divisors (22348897).

1432431311 is an equidigital number, since it uses as much as digits as its factorization.

1432431311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 898 (or 761 counting only the distinct ones).

The product of its digits is 864, while the sum is 23.

The square root of 1432431311 is about 37847.4743014643. The cubic root of 1432431311 is about 1127.2613112829.

Adding to 1432431311 its reverse (1131342341), we get a palindrome (2563773652).

The spelling of 1432431311 in words is "one billion, four hundred thirty-two million, four hundred thirty-one thousand, three hundred eleven".