31080342 has 8 divisors (see below), whose sum is σ = 62160696. Its totient is φ = 10360112.

The previous prime is 31080341. The next prime is 31080359. The reversal of 31080342 is 24308013.

It is a happy number.

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

31080342 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31080341) 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, 2590023 + ... + 2590034.

It is an arithmetic number, because the mean of its divisors is an integer number (7770087).

Almost surely, 2^31080342 is an apocalyptic number.

31080342 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

31080342 is a wasteful number, since it uses less digits than its factorization.

31080342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5180062.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 31080342 is about 5574.9746187763. The cubic root of 31080342 is about 314.4092126418.

Adding to 31080342 its reverse (24308013), we get a palindrome (55388355).

The spelling of 31080342 in words is "thirty-one million, eighty thousand, three hundred forty-two".