31242234112 has 36 divisors (see below), whose sum is σ = 63812739760. Its totient is φ = 15257829888.

The previous prime is 31242234077. The next prime is 31242234131. The reversal of 31242234112 is 21143224213.

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, 1408062 + ... + 1430077.

Almost surely, 2^31242234112 is an apocalyptic number.

31242234112 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

31242234112 is an abundant number, since it is smaller than the sum of its proper divisors (32570505648).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31242234112 is an equidigital number, since it uses as much as digits as its factorization.

31242234112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2838198 (or 2838184 counting only the distinct ones).

The product of its digits is 2304, while the sum is 25.

Adding to 31242234112 its reverse (21143224213), we get a palindrome (52385458325).

The spelling of 31242234112 in words is "thirty-one billion, two hundred forty-two million, two hundred thirty-four thousand, one hundred twelve".