45111223310431 has 4 divisors (see below), whose sum is σ = 45111388007664. Its totient is φ = 45111058613200.

The previous prime is 45111223310369. The next prime is 45111223310441. The reversal of 45111223310431 is 13401332211154.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 45111223310431 - 2¹⁵ = 45111223277663 is a prime.

It is a super-2 number, since 2×45111223310431² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45111223310393 and 45111223310402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45111223310441) 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, 81937075 + ... + 82485796.

It is an arithmetic number, because the mean of its divisors is an integer number (11277847001916).

Almost surely, 2^{45111223310431} is an apocalyptic number.

45111223310431 is a deficient number, since it is larger than the sum of its proper divisors (164697233).

45111223310431 is a wasteful number, since it uses less digits than its factorization.

45111223310431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164697232.

The product of its (nonzero) digits is 8640, while the sum is 31.

Adding to 45111223310431 its reverse (13401332211154), we get a palindrome (58512555521585).

The spelling of 45111223310431 in words is "forty-five trillion, one hundred eleven billion, two hundred twenty-three million, three hundred ten thousand, four hundred thirty-one".