45311203 has 4 divisors (see below), whose sum is σ = 51784240. Its totient is φ = 38838168.

The previous prime is 45311179. The next prime is 45311209. The reversal of 45311203 is 30211354.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30211354 = 2 ⋅15105677.

It is a cyclic number.

It is not a de Polignac number, because 45311203 - 2¹⁷ = 45180131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45311209) 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, 3236508 + ... + 3236521.

It is an arithmetic number, because the mean of its divisors is an integer number (12946060).

Almost surely, 2^45311203 is an apocalyptic number.

45311203 is a deficient number, since it is larger than the sum of its proper divisors (6473037).

45311203 is an equidigital number, since it uses as much as digits as its factorization.

45311203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6473036.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 45311203 is about 6731.3596694873. The cubic root of 45311203 is about 356.5073852305.

Adding to 45311203 its reverse (30211354), we get a palindrome (75522557).

The spelling of 45311203 in words is "forty-five million, three hundred eleven thousand, two hundred three".