31342000 has 40 divisors (see below), whose sum is σ = 75789792. Its totient is φ = 12536000.

The previous prime is 31341991. The next prime is 31342009. The reversal of 31342000 is 24313.

It is an interprime number because it is at equal distance from previous prime (31341991) and next prime (31342009).

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (31342009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5836 + ... + 9835.

Almost surely, 2^31342000 is an apocalyptic number.

It is an amenable number.

31342000 is an abundant number, since it is smaller than the sum of its proper divisors (44447792).

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

31342000 is a wasteful number, since it uses less digits than its factorization.

31342000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15694 (or 15678 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 31342000 is about 5598.3926264598. The cubic root of 31342000 is about 315.2890602690.

Adding to 31342000 its reverse (24313), we get a palindrome (31366313).

The spelling of 31342000 in words is "thirty-one million, three hundred forty-two thousand".