1431042158 has 24 divisors (see below), whose sum is σ = 2689103592. Its totient is φ = 566126064.

The previous prime is 1431042157. The next prime is 1431042161. The reversal of 1431042158 is 8512401341.

It is a self number, because there is not a number n which added to its sum of digits gives 1431042158.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1431042157) 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, 560360 + ... + 562907.

It is an arithmetic number, because the mean of its divisors is an integer number (112045983).

Almost surely, 2^1431042158 is an apocalyptic number.

1431042158 is a deficient number, since it is larger than the sum of its proper divisors (1258061434).

1431042158 is a wasteful number, since it uses less digits than its factorization.

1431042158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1123296 (or 1123289 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 1431042158 is about 37829.1178591307. The cubic root of 1431042158 is about 1126.8967923697.

Adding to 1431042158 its reverse (8512401341), we get a palindrome (9943443499).

The spelling of 1431042158 in words is "one billion, four hundred thirty-one million, forty-two thousand, one hundred fifty-eight".