31234055 has 4 divisors (see below), whose sum is σ = 37480872. Its totient is φ = 24987240.

The previous prime is 31234009. The next prime is 31234061. The reversal of 31234055 is 55043213.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 31234055 - 2⁸ = 31233799 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 31234055.

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, 3123401 + ... + 3123410.

It is an arithmetic number, because the mean of its divisors is an integer number (9370218).

Almost surely, 2^31234055 is an apocalyptic number.

31234055 is a deficient number, since it is larger than the sum of its proper divisors (6246817).

31234055 is an equidigital number, since it uses as much as digits as its factorization.

31234055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6246816.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 31234055 is about 5588.7435976255. The cubic root of 31234055 is about 314.9266815166.

Adding to 31234055 its reverse (55043213), we get a palindrome (86277268).

The spelling of 31234055 in words is "thirty-one million, two hundred thirty-four thousand, fifty-five".