102112031030331 has 24 divisors (see below), whose sum is σ = 166713520054080. Its totient is φ = 55278693488592.

The previous prime is 102112031030231. The next prime is 102112031030363. The reversal of 102112031030331 is 133030130211201.

It is a happy number.

It is not a de Polignac number, because 102112031030331 - 2⁹ = 102112031029819 is a prime.

It is a super-2 number, since 2×102112031030331² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 102112031030298 and 102112031030307.

It is not an unprimeable number, because it can be changed into a prime (102112031030231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18279988441 + ... + 18279994026.

It is an arithmetic number, because the mean of its divisors is an integer number (6946396668920).

Almost surely, 2^{102112031030331} is an apocalyptic number.

102112031030331 is a deficient number, since it is larger than the sum of its proper divisors (64601489023749).

102112031030331 is a wasteful number, since it uses less digits than its factorization.

102112031030331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36559982503 (or 36559982496 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 102112031030331 its reverse (133030130211201), we get a palindrome (235142161241532).

The spelling of 102112031030331 in words is "one hundred two trillion, one hundred twelve billion, thirty-one million, thirty thousand, three hundred thirty-one".