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102000331120031 = 668931715248243
BaseRepresentation
bin10111001100010011001101…
…100000001101110110011111
3111101011010200110020000112122
4113030103031200031312133
5101332133134231320111
61000534145532453155
730325165202131661
oct2714231540156637
9441133613200478
10102000331120031
112a556108857383
12b53442061a1bb
1344bb789182b16
141b28bb1656531
15bbd3e18a6cdb
hex5cc4cd80dd9f

102000331120031 has 4 divisors (see below), whose sum is σ = 102000353057592. Its totient is φ = 102000309182472.

The previous prime is 102000331120013. The next prime is 102000331120049. The reversal of 102000331120031 is 130021133000201.

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

It is an interprime number because it is at equal distance from previous prime (102000331120013) and next prime (102000331120049).

It is a cyclic number.

It is not a de Polignac number, because 102000331120031 - 234 = 101983151250847 is a prime.

It is a super-4 number, since 4×1020003311200314 (a number of 57 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102000331119991 and 102000331120009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102000331150031) 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, 934805 + ... + 14313438.

It is an arithmetic number, because the mean of its divisors is an integer number (25500088264398).

Almost surely, 2102000331120031 is an apocalyptic number.

102000331120031 is a deficient number, since it is larger than the sum of its proper divisors (21937561).

102000331120031 is an equidigital number, since it uses as much as digits as its factorization.

102000331120031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21937560.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 102000331120031 its reverse (130021133000201), we get a palindrome (232021464120232).

The spelling of 102000331120031 in words is "one hundred two trillion, three hundred thirty-one million, one hundred twenty thousand, thirty-one".

Divisors: 1 6689317 15248243 102000331120031