45311303531 has 16 divisors (see below), whose sum is σ = 51819630240. Its totient is φ = 39273776640.

The previous prime is 45311303423. The next prime is 45311303533. The reversal of 45311303531 is 13530311354.

It is a cyclic number.

It is not a de Polignac number, because 45311303531 - 2³⁰ = 44237561707 is a prime.

It is a super-3 number, since 3×45311303531³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 45311303494 and 45311303503.

It is not an unprimeable number, because it can be changed into a prime (45311303533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 783800 + ... + 839621.

It is an arithmetic number, because the mean of its divisors is an integer number (3238726890).

Almost surely, 2^45311303531 is an apocalyptic number.

45311303531 is a deficient number, since it is larger than the sum of its proper divisors (6508326709).

45311303531 is a wasteful number, since it uses less digits than its factorization.

45311303531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1623566.

The product of its (nonzero) digits is 8100, while the sum is 29.

Adding to 45311303531 its reverse (13530311354), we get a palindrome (58841614885).

The spelling of 45311303531 in words is "forty-five billion, three hundred eleven million, three hundred three thousand, five hundred thirty-one".