1431419231 has 12 divisors (see below), whose sum is σ = 1580279400. Its totient is φ = 1295582640.

The previous prime is 1431419201. The next prime is 1431419239. The reversal of 1431419231 is 1329141341.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-1431419231 is a prime.

It is a super-2 number, since 2×1431419231² = 4097922029753262722, 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 = 1431419194 and 1431419203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1431419239) 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, 1880 + ... + 53538.

It is an arithmetic number, because the mean of its divisors is an integer number (131689950).

Almost surely, 2^1431419231 is an apocalyptic number.

1431419231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1431419231 is a deficient number, since it is larger than the sum of its proper divisors (148860169).

1431419231 is a wasteful number, since it uses less digits than its factorization.

1431419231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51910 (or 51899 counting only the distinct ones).

The product of its digits is 2592, while the sum is 29.

The square root of 1431419231 is about 37834.1014297948. The cubic root of 1431419231 is about 1126.9957610445.

The spelling of 1431419231 in words is "one billion, four hundred thirty-one million, four hundred nineteen thousand, two hundred thirty-one".