31210110342 has 48 divisors (see below), whose sum is σ = 67813593120. Its totient is φ = 10373930496.

The previous prime is 31210110313. The next prime is 31210110359. The reversal of 31210110342 is 24301101213.

31210110342 is a `hidden beast` number, since 3 + 1 + 210 + 110 + 342 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12034998 + ... + 12037590.

It is an arithmetic number, because the mean of its divisors is an integer number (1412783190).

Almost surely, 2^31210110342 is an apocalyptic number.

31210110342 is an abundant number, since it is smaller than the sum of its proper divisors (36603482778).

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

31210110342 is a wasteful number, since it uses less digits than its factorization.

31210110342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4237 (or 4234 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 31210110342 its reverse (24301101213), we get a palindrome (55511211555).

The spelling of 31210110342 in words is "thirty-one billion, two hundred ten million, one hundred ten thousand, three hundred forty-two".