1431130550 has 48 divisors (see below), whose sum is σ = 2866356720. Its totient is φ = 529628160.

The previous prime is 1431130523. The next prime is 1431130579. The reversal of 1431130550 is 550311341.

It is a super-2 number, since 2×1431130550² = 4096269302286605000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35882 + ... + 64418.

It is an arithmetic number, because the mean of its divisors is an integer number (59715765).

Almost surely, 2^1431130550 is an apocalyptic number.

1431130550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1431130550 is an abundant number, since it is smaller than the sum of its proper divisors (1435226170).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1431130550 is a wasteful number, since it uses less digits than its factorization.

1431130550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28625 (or 28620 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 1431130550 is about 37830.2861474771. The cubic root of 1431130550 is about 1126.9199937851.

Adding to 1431130550 its reverse (550311341), we get a palindrome (1981441891).

The spelling of 1431130550 in words is "one billion, four hundred thirty-one million, one hundred thirty thousand, five hundred fifty".