31120134 has 8 divisors (see below), whose sum is σ = 62240280. Its totient is φ = 10373376.

The previous prime is 31120121. The next prime is 31120153. The reversal of 31120134 is 43102113.

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

31120134 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2593339 + ... + 2593350.

It is an arithmetic number, because the mean of its divisors is an integer number (7780035).

Almost surely, 2^31120134 is an apocalyptic number.

31120134 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.

31120134 is a wasteful number, since it uses less digits than its factorization.

31120134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5186694.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 31120134 is about 5578.5422827115. The cubic root of 31120134 is about 314.5433342455.

Adding to 31120134 its reverse (43102113), we get a palindrome (74222247).

The spelling of 31120134 in words is "thirty-one million, one hundred twenty thousand, one hundred thirty-four".