1431411242 has 4 divisors (see below), whose sum is σ = 2147116866. Its totient is φ = 715705620.

The previous prime is 1431411221. The next prime is 1431411251. The reversal of 1431411242 is 2421141341.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2421141341 = 919 ⋅2634539.

It can be written as a sum of positive squares in only one way, i.e., 1425742081 + 5669161 = 37759^2 + 2381^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 357852809 + ... + 357852812.

Almost surely, 2^1431411242 is an apocalyptic number.

1431411242 is a deficient number, since it is larger than the sum of its proper divisors (715705624).

1431411242 is an equidigital number, since it uses as much as digits as its factorization.

1431411242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 715705623.

The product of its digits is 768, while the sum is 23.

The square root of 1431411242 is about 37833.9958502932. The cubic root of 1431411242 is about 1126.9936643874.

Adding to 1431411242 its reverse (2421141341), we get a palindrome (3852552583).

The spelling of 1431411242 in words is "one billion, four hundred thirty-one million, four hundred eleven thousand, two hundred forty-two".