1431199994 has 8 divisors (see below), whose sum is σ = 2453485728. Its totient is φ = 613371420.

The previous prime is 1431199933. The next prime is 1431200009. The reversal of 1431199994 is 4999911341.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51114272 + ... + 51114299.

It is an arithmetic number, because the mean of its divisors is an integer number (306685716).

Almost surely, 2^1431199994 is an apocalyptic number.

1431199994 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1431199994 is a deficient number, since it is larger than the sum of its proper divisors (1022285734).

1431199994 is a wasteful number, since it uses less digits than its factorization.

1431199994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102228580.

The product of its digits is 314928, while the sum is 50.

The square root of 1431199994 is about 37831.2039723824. The cubic root of 1431199994 is about 1126.9382209986.

The spelling of 1431199994 in words is "one billion, four hundred thirty-one million, one hundred ninety-nine thousand, nine hundred ninety-four".