1431230398 has 16 divisors (see below), whose sum is σ = 2334882816. Its totient is φ = 654026400.

The previous prime is 1431230393. The next prime is 1431230399. The reversal of 1431230398 is 8930321341.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1431230393) 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, 269886 + ... + 275137.

It is an arithmetic number, because the mean of its divisors is an integer number (145930176).

Almost surely, 2^1431230398 is an apocalyptic number.

1431230398 is a deficient number, since it is larger than the sum of its proper divisors (903652418).

1431230398 is a wasteful number, since it uses less digits than its factorization.

1431230398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545139.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 1431230398 is about 37831.6058078427. The cubic root of 1431230398 is about 1126.9462010590.

The spelling of 1431230398 in words is "one billion, four hundred thirty-one million, two hundred thirty thousand, three hundred ninety-eight".