31210232113042 has 8 divisors (see below), whose sum is σ = 46815424047756. Its totient is φ = 15605090763792.

The previous prime is 31210232113013. The next prime is 31210232113223. The reversal of 31210232113042 is 24031123201213.

It can be written as a sum of positive squares in 2 ways, for example, as 22286981786281 + 8923250326761 = 4720909^2 + 2987181^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 31210232112998 and 31210232113016.

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, 11064333 + ... + 13595584.

Almost surely, 2^{31210232113042} is an apocalyptic number.

31210232113042 is a deficient number, since it is larger than the sum of its proper divisors (15605191934714).

31210232113042 is a wasteful number, since it uses less digits than its factorization.

31210232113042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25292732.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 31210232113042 its reverse (24031123201213), we get a palindrome (55241355314255).

The spelling of 31210232113042 in words is "thirty-one trillion, two hundred ten billion, two hundred thirty-two million, one hundred thirteen thousand, forty-two".