31842104 has 16 divisors (see below), whose sum is σ = 68233200. Its totient is φ = 13646592.

The previous prime is 31842103. The next prime is 31842127. The reversal of 31842104 is 40124813.

It is a self number, because there is not a number n which added to its sum of digits gives 31842104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31842101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 284249 + ... + 284360.

It is an arithmetic number, because the mean of its divisors is an integer number (4264575).

Almost surely, 2^31842104 is an apocalyptic number.

It is an amenable number.

31842104 is an abundant number, since it is smaller than the sum of its proper divisors (36391096).

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

31842104 is a wasteful number, since it uses less digits than its factorization.

31842104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 568622 (or 568618 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 31842104 is about 5642.8808245434. The cubic root of 31842104 is about 316.9571736072.

Adding to 31842104 its reverse (40124813), we get a palindrome (71966917).

The spelling of 31842104 in words is "thirty-one million, eight hundred forty-two thousand, one hundred four".