102011303331031 has 4 divisors (see below), whose sum is σ = 102020072473872. Its totient is φ = 102002534188192.

The previous prime is 102011303331023. The next prime is 102011303331053. The reversal of 102011303331031 is 130133303110201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 102011303331031 - 2³ = 102011303331023 is a prime.

It is a super-2 number, since 2×102011303331031² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102011303330993 and 102011303331011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102011303331001) 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 3 ways as a sum of consecutive naturals, for example, 4384553971 + ... + 4384577236.

It is an arithmetic number, because the mean of its divisors is an integer number (25505018118468).

Almost surely, 2^{102011303331031} is an apocalyptic number.

102011303331031 is a deficient number, since it is larger than the sum of its proper divisors (8769142841).

102011303331031 is an equidigital number, since it uses as much as digits as its factorization.

102011303331031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8769142840.

The product of its (nonzero) digits is 486, while the sum is 22.

Adding to 102011303331031 its reverse (130133303110201), we get a palindrome (232144606441232).

The spelling of 102011303331031 in words is "one hundred two trillion, eleven billion, three hundred three million, three hundred thirty-one thousand, thirty-one".