1431112201 has 12 divisors (see below), whose sum is σ = 1483438212. Its totient is φ = 1380133664.

The previous prime is 1431112181. The next prime is 1431112211. The reversal of 1431112201 is 1022111341.

It can be written as a sum of positive squares in 2 ways, for example, as 1107292176 + 323820025 = 33276^2 + 17995^2 .

It is not a de Polignac number, because 1431112201 - 2²⁵ = 1397557769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1431112211) 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, 180615 + ... + 188371.

It is an arithmetic number, because the mean of its divisors is an integer number (123619851).

Almost surely, 2^1431112201 is an apocalyptic number.

It is an amenable number.

1431112201 is a deficient number, since it is larger than the sum of its proper divisors (52326011).

1431112201 is an frugal number, since it uses more digits than its factorization.

1431112201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7928 (or 7869 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 1431112201 is about 37830.0436293695. The cubic root of 1431112201 is about 1126.9151775593.

Adding to 1431112201 its reverse (1022111341), we get a palindrome (2453223542).

The spelling of 1431112201 in words is "one billion, four hundred thirty-one million, one hundred twelve thousand, two hundred one".