102220031331 has 24 divisors (see below), whose sum is σ = 169551570240. Its totient is φ = 58690926000.

The previous prime is 102220031327. The next prime is 102220031341. The reversal of 102220031331 is 133130022201.

102220031331 is a `hidden beast` number, since 102 + 2 + 200 + 31 + 331 = 666.

It is not a de Polignac number, because 102220031331 - 2² = 102220031327 is a prime.

It is a super-2 number, since 2×102220031331² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (102220031341) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27169845 + ... + 27173606.

It is an arithmetic number, because the mean of its divisors is an integer number (7064648760).

Almost surely, 2^102220031331 is an apocalyptic number.

102220031331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

102220031331 is a deficient number, since it is larger than the sum of its proper divisors (67331538909).

102220031331 is a wasteful number, since it uses less digits than its factorization.

102220031331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54343487 (or 54343484 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 102220031331 its reverse (133130022201), we get a palindrome (235350053532).

The spelling of 102220031331 in words is "one hundred two billion, two hundred twenty million, thirty-one thousand, three hundred thirty-one".