45531421031 has 8 divisors (see below), whose sum is σ = 46094125440. Its totient is φ = 44971352928.

The previous prime is 45531421009. The next prime is 45531421057. The reversal of 45531421031 is 13012413554.

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 45531421031 - 2⁶ = 45531420967 is a prime.

It is a super-2 number, since 2×45531421031² (a number of 22 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 = 45531420985 and 45531421003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45531481031) 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 7 ways as a sum of consecutive naturals, for example, 624311 + ... + 693416.

It is an arithmetic number, because the mean of its divisors is an integer number (5761765680).

Almost surely, 2^45531421031 is an apocalyptic number.

45531421031 is a deficient number, since it is larger than the sum of its proper divisors (562704409).

45531421031 is a wasteful number, since it uses less digits than its factorization.

45531421031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1318153.

The product of its (nonzero) digits is 7200, while the sum is 29.

Adding to 45531421031 its reverse (13012413554), we get a palindrome (58543834585).

The spelling of 45531421031 in words is "forty-five billion, five hundred thirty-one million, four hundred twenty-one thousand, thirty-one".