31453055 has 4 divisors (see below), whose sum is σ = 37743672. Its totient is φ = 25162440.

The previous prime is 31453039. The next prime is 31453133. The reversal of 31453055 is 55035413.

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

It is not a de Polignac number, because 31453055 - 2⁴ = 31453039 is a prime.

It is a Duffinian 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, 3145301 + ... + 3145310.

It is an arithmetic number, because the mean of its divisors is an integer number (9435918).

Almost surely, 2^31453055 is an apocalyptic number.

31453055 is a deficient number, since it is larger than the sum of its proper divisors (6290617).

31453055 is an equidigital number, since it uses as much as digits as its factorization.

31453055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6290616.

The product of its (nonzero) digits is 4500, while the sum is 26.

The square root of 31453055 is about 5608.3023277994. The cubic root of 31453055 is about 315.6610121965.

Adding to 31453055 its reverse (55035413), we get a palindrome (86488468).

The spelling of 31453055 in words is "thirty-one million, four hundred fifty-three thousand, fifty-five".