1430221131 has 20 divisors (see below), whose sum is σ = 2138070000. Its totient is φ = 952781616.

The previous prime is 1430221109. The next prime is 1430221147. The reversal of 1430221131 is 1311220341.

1430221131 is a `hidden beast` number, since 1 + 430 + 221 + 13 + 1 = 666.

It is not a de Polignac number, because 1430221131 - 2⁵ = 1430221099 is a prime.

It is a super-2 number, since 2×1430221131² = 4091064967117838322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1430221531) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 119770 + ... + 131168.

It is an arithmetic number, because the mean of its divisors is an integer number (106903500).

Almost surely, 2^1430221131 is an apocalyptic number.

1430221131 is a deficient number, since it is larger than the sum of its proper divisors (707848869).

1430221131 is a wasteful number, since it uses less digits than its factorization.

1430221131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12960 (or 12951 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1430221131 is about 37818.2645159716. The cubic root of 1430221131 is about 1126.6812409075.

Adding to 1430221131 its reverse (1311220341), we get a palindrome (2741441472).

The spelling of 1430221131 in words is "one billion, four hundred thirty million, two hundred twenty-one thousand, one hundred thirty-one".