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102131321313223 = 669116603919351
BaseRepresentation
bin10111001110001101001101…
…001000001001011111000111
3111101121122210101101021212101
4113032031031020021133013
5101341304421224010343
61001114251543132531
730340513231323646
oct2716151510113707
9441548711337771
10102131321313223
112a5a6717361294
12b555898a44147
1344cac3323cb87
141b3127a43935d
15bc1a0b610e4d
hex5ce34d2097c7

102131321313223 has 8 divisors (see below), whose sum is σ = 102152848708736. Its totient is φ = 102109795803000.

The previous prime is 102131321313173. The next prime is 102131321313247. The reversal of 102131321313223 is 322313123131201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 102131321313223 - 221 = 102131319216071 is a prime.

It is a super-2 number, since 2×1021313213132232 (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 = 102131321313191 and 102131321313200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102131321313293) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110630998 + ... + 111550348.

It is an arithmetic number, because the mean of its divisors is an integer number (12769106088592).

Almost surely, 2102131321313223 is an apocalyptic number.

102131321313223 is a deficient number, since it is larger than the sum of its proper divisors (21527395513).

102131321313223 is an equidigital number, since it uses as much as digits as its factorization.

102131321313223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 942645.

The product of its (nonzero) digits is 3888, while the sum is 28.

Adding to 102131321313223 its reverse (322313123131201), we get a palindrome (424444444444424).

The spelling of 102131321313223 in words is "one hundred two trillion, one hundred thirty-one billion, three hundred twenty-one million, three hundred thirteen thousand, two hundred twenty-three".

Divisors: 1 6691 16603 919351 111090673 6151377541 15263984653 102131321313223