45511323031 has 8 divisors (see below), whose sum is σ = 45592946784. Its totient is φ = 45429764640.

The previous prime is 45511323007. The next prime is 45511323049. The reversal of 45511323031 is 13032311554.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 45511323031 - 2⁷ = 45511322903 is a prime.

It is a super-2 number, since 2×45511323031² (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 (45511323001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1501381 + ... + 1531393.

It is an arithmetic number, because the mean of its divisors is an integer number (5699118348).

Almost surely, 2^45511323031 is an apocalyptic number.

45511323031 is a deficient number, since it is larger than the sum of its proper divisors (81623753).

45511323031 is a wasteful number, since it uses less digits than its factorization.

45511323031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32681.

The product of its (nonzero) digits is 5400, while the sum is 28.

Adding to 45511323031 its reverse (13032311554), we get a palindrome (58543634585).

The spelling of 45511323031 in words is "forty-five billion, five hundred eleven million, three hundred twenty-three thousand, thirty-one".