31364045 has 8 divisors (see below), whose sum is σ = 38060280. Its totient is φ = 24808960.

The previous prime is 31364029. The next prime is 31364063. The reversal of 31364045 is 54046313.

It can be written as a sum of positive squares in 4 ways, for example, as 6901129 + 24462916 = 2627^2 + 4946^2 .

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

It is not a de Polignac number, because 31364045 - 2⁴ = 31364029 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34796 + ... + 35685.

It is an arithmetic number, because the mean of its divisors is an integer number (4757535).

Almost surely, 2^31364045 is an apocalyptic number.

It is an amenable number.

31364045 is a deficient number, since it is larger than the sum of its proper divisors (6696235).

31364045 is an equidigital number, since it uses as much as digits as its factorization.

31364045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70575.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 31364045 is about 5600.3611490689. The cubic root of 31364045 is about 315.3629644909.

The spelling of 31364045 in words is "thirty-one million, three hundred sixty-four thousand, forty-five".