31330221001108 has 12 divisors (see below), whose sum is σ = 54828012947092. Its totient is φ = 15665074444800.

The previous prime is 31330221001103. The next prime is 31330221001133. The reversal of 31330221001108 is 80110012203313.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 12570130611844 + 18760090389264 = 3545438^2 + 4331292^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31330221001103) 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, 7009293 + ... + 10573108.

Almost surely, 2^{31330221001108} is an apocalyptic number.

It is an amenable number.

31330221001108 is a deficient number, since it is larger than the sum of its proper divisors (23497791945984).

31330221001108 is a wasteful number, since it uses less digits than its factorization.

31330221001108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18027882 (or 18027880 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

The spelling of 31330221001108 in words is "thirty-one trillion, three hundred thirty billion, two hundred twenty-one million, one thousand, one hundred eight".