45031123022031 has 24 divisors (see below), whose sum is σ = 66558074291280. Its totient is φ = 29322395496576.

The previous prime is 45031123022021. The next prime is 45031123022057. The reversal of 45031123022031 is 13022032113054.

45031123022031 is a `hidden beast` number, since 4 + 503 + 1 + 123 + 0 + 2 + 2 + 0 + 31 = 666.

It is not a de Polignac number, because 45031123022031 - 2⁶ = 45031123021967 is a prime.

It is a super-2 number, since 2×45031123022031² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 45031123021986 and 45031123022004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45031123022021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 77741875 + ... + 78318971.

It is an arithmetic number, because the mean of its divisors is an integer number (2773253095470).

Almost surely, 2^{45031123022031} is an apocalyptic number.

45031123022031 is a deficient number, since it is larger than the sum of its proper divisors (21526951269249).

45031123022031 is a wasteful number, since it uses less digits than its factorization.

45031123022031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 778775 (or 778772 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

Adding to 45031123022031 its reverse (13022032113054), we get a palindrome (58053155135085).

The spelling of 45031123022031 in words is "forty-five trillion, thirty-one billion, one hundred twenty-three million, twenty-two thousand, thirty-one".