13550445331 has 8 divisors (see below), whose sum is σ = 14147237664. Its totient is φ = 12954289920.

The previous prime is 13550445329. The next prime is 13550445341. The reversal of 13550445331 is 13354405531.

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 13550445331 - 2¹ = 13550445329 is a prime.

It is a super-2 number, since 2×13550445331² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13550445341) 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, 115486 + ... + 201091.

It is an arithmetic number, because the mean of its divisors is an integer number (1768404708).

Almost surely, 2^13550445331 is an apocalyptic number.

13550445331 is a deficient number, since it is larger than the sum of its proper divisors (596792333).

13550445331 is a wasteful number, since it uses less digits than its factorization.

13550445331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318461.

The product of its (nonzero) digits is 54000, while the sum is 34.

The spelling of 13550445331 in words is "thirteen billion, five hundred fifty million, four hundred forty-five thousand, three hundred thirty-one".