31342104 has 24 divisors (see below), whose sum is σ = 84885060. Its totient is φ = 10447344.

The previous prime is 31342097. The next prime is 31342121. The reversal of 31342104 is 40124313.

It is a tau number, because it is divible by the number of its divisors (24).

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 5 ways as a sum of consecutive naturals, for example, 217582 + ... + 217725.

Almost surely, 2^31342104 is an apocalyptic number.

It is an amenable number.

31342104 is an abundant number, since it is smaller than the sum of its proper divisors (53542956).

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

31342104 is a wasteful number, since it uses less digits than its factorization.

31342104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435319 (or 435312 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 31342104 is about 5598.4019148325. The cubic root of 31342104 is about 315.2894090026.

Adding to 31342104 its reverse (40124313), we get a palindrome (71466417).

The spelling of 31342104 in words is "thirty-one million, three hundred forty-two thousand, one hundred four".