1431231242 has 8 divisors (see below), whose sum is σ = 2453539296. Its totient is φ = 613384812.

The previous prime is 1431231233. The next prime is 1431231257. The reversal of 1431231242 is 2421321341.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51115388 + ... + 51115415.

It is an arithmetic number, because the mean of its divisors is an integer number (306692412).

Almost surely, 2^1431231242 is an apocalyptic number.

1431231242 is a deficient number, since it is larger than the sum of its proper divisors (1022308054).

1431231242 is a wasteful number, since it uses less digits than its factorization.

1431231242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102230812.

The product of its digits is 1152, while the sum is 23.

The square root of 1431231242 is about 37831.6169625355. The cubic root of 1431231242 is about 1126.9464225799.

Adding to 1431231242 its reverse (2421321341), we get a palindrome (3852552583).

Subtracting 1431231242 from its reverse (2421321341), we obtain a palindrome (990090099).

It can be divided in two parts, 14312 and 31242, that added together give a palindrome (45554).

The spelling of 1431231242 in words is "one billion, four hundred thirty-one million, two hundred thirty-one thousand, two hundred forty-two".