1431155468 has 48 divisors (see below), whose sum is σ = 2681280000. Its totient is φ = 666439488.

The previous prime is 1431155459. The next prime is 1431155483. The reversal of 1431155468 is 8645511341.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2095055 + ... + 2095737.

It is an arithmetic number, because the mean of its divisors is an integer number (55860000).

Almost surely, 2^1431155468 is an apocalyptic number.

It is an amenable number.

1431155468 is a deficient number, since it is larger than the sum of its proper divisors (1250124532).

1431155468 is a wasteful number, since it uses less digits than its factorization.

1431155468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1134 (or 1132 counting only the distinct ones).

The product of its digits is 57600, while the sum is 38.

The square root of 1431155468 is about 37830.6154853447. The cubic root of 1431155468 is about 1126.9265341689.

The spelling of 1431155468 in words is "one billion, four hundred thirty-one million, one hundred fifty-five thousand, four hundred sixty-eight".