45444313031 has 16 divisors (see below), whose sum is σ = 53755645440. Its totient is φ = 38012911200.

The previous prime is 45444313009. The next prime is 45444313063. The reversal of 45444313031 is 13031344454.

It is a cyclic number.

It is not a de Polignac number, because 45444313031 - 2²⁶ = 45377204167 is a prime.

It is a super-2 number, since 2×45444313031² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45444313331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3993995 + ... + 4005356.

It is an arithmetic number, because the mean of its divisors is an integer number (3359727840).

Almost surely, 2^45444313031 is an apocalyptic number.

45444313031 is a deficient number, since it is larger than the sum of its proper divisors (8311332409).

45444313031 is a wasteful number, since it uses less digits than its factorization.

45444313031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7999406.

The product of its (nonzero) digits is 34560, while the sum is 32.

Adding to 45444313031 its reverse (13031344454), we get a palindrome (58475657485).

The spelling of 45444313031 in words is "forty-five billion, four hundred forty-four million, three hundred thirteen thousand, thirty-one".