31445544106 has 8 divisors (see below), whose sum is σ = 47192523300. Its totient is φ = 15714703008.

The previous prime is 31445544101. The next prime is 31445544173. The reversal of 31445544106 is 60144554413.

It can be written as a sum of positive squares in 2 ways, for example, as 30926387881 + 519156225 = 175859^2 + 22785^2 .

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

It is not an unprimeable number, because it can be changed into a prime (31445544101) 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, 4029651 + ... + 4037446.

Almost surely, 2^31445544106 is an apocalyptic number.

31445544106 is a deficient number, since it is larger than the sum of its proper divisors (15746979194).

31445544106 is a wasteful number, since it uses less digits than its factorization.

31445544106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8069048.

The product of its (nonzero) digits is 115200, while the sum is 37.

The spelling of 31445544106 in words is "thirty-one billion, four hundred forty-five million, five hundred forty-four thousand, one hundred six".