31010112442 has 8 divisors (see below), whose sum is σ = 46516104756. Its totient is φ = 15504744192.

The previous prime is 31010112431. The next prime is 31010112461. The reversal of 31010112442 is 24421101013.

It can be written as a sum of positive squares in 2 ways, for example, as 23879829961 + 7130282481 = 154531^2 + 84441^2 .

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, 973 + ... + 249040.

Almost surely, 2^31010112442 is an apocalyptic number.

31010112442 is a deficient number, since it is larger than the sum of its proper divisors (15505992314).

31010112442 is a wasteful number, since it uses less digits than its factorization.

31010112442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312032.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 31010112442 its reverse (24421101013), we get a palindrome (55431213455).

The spelling of 31010112442 in words is "thirty-one billion, ten million, one hundred twelve thousand, four hundred forty-two".