1431420111 has 48 divisors (see below), whose sum is σ = 2492156160. Its totient is φ = 780975360.

The previous prime is 1431420097. The next prime is 1431420127. The reversal of 1431420111 is 1110241341.

It is not a de Polignac number, because 1431420111 - 2⁵ = 1431420079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1431420191) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 20220 + ... + 57198.

It is an arithmetic number, because the mean of its divisors is an integer number (51919920).

Almost surely, 2^1431420111 is an apocalyptic number.

1431420111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1431420111 is a deficient number, since it is larger than the sum of its proper divisors (1060736049).

1431420111 is a wasteful number, since it uses less digits than its factorization.

1431420111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37036 (or 37033 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 1431420111 is about 37834.1130595128. The cubic root of 1431420111 is about 1126.9959919939.

Adding to 1431420111 its reverse (1110241341), we get a palindrome (2541661452).

The spelling of 1431420111 in words is "one billion, four hundred thirty-one million, four hundred twenty thousand, one hundred eleven".