1431311209999 has 8 divisors (see below), whose sum is σ = 1561510477440. Its totient is φ = 1301125287000.

The previous prime is 1431311209981. The next prime is 1431311210059. The reversal of 1431311209999 is 9999021131341.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1431311209999 - 2²⁹ = 1430774339087 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 (1431311209099) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3111177 + ... + 3541474.

It is an arithmetic number, because the mean of its divisors is an integer number (195188809680).

Almost surely, 2^{1431311209999} is an apocalyptic number.

1431311209999 is a deficient number, since it is larger than the sum of its proper divisors (130199267441).

1431311209999 is a wasteful number, since it uses less digits than its factorization.

1431311209999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6672221.

The product of its (nonzero) digits is 472392, while the sum is 52.

The spelling of 1431311209999 in words is "one trillion, four hundred thirty-one billion, three hundred eleven million, two hundred nine thousand, nine hundred ninety-nine".