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12102141310031 = 179307220227127
BaseRepresentation
bin1011000000011011111111…
…0101010111010001001111
31120211221202000222021012002
42300012333311113101033
53041240141133410111
641423351424502515
72356231225560263
oct260067765272117
946757660867162
1012102141310031
1139465422a3913
12143558677aa3b
1369a2c4a22086
142dba651a00a3
1515ec1013263b
hexb01bfd5744f

12102141310031 has 8 divisors (see below), whose sum is σ = 12209391976320. Its totient is φ = 11995331098968.

The previous prime is 12102141310003. The next prime is 12102141310069. The reversal of 12102141310031 is 13001314120121.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12102141310031 is a prime.

It is a super-2 number, since 2×121021413100312 (a number of 27 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 = 12102141309985 and 12102141310012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12102141310001) 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, 110058611 + ... + 110168516.

It is an arithmetic number, because the mean of its divisors is an integer number (1526173997040).

Almost surely, 212102141310031 is an apocalyptic number.

12102141310031 is a deficient number, since it is larger than the sum of its proper divisors (107250666289).

12102141310031 is a wasteful number, since it uses less digits than its factorization.

12102141310031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220227613.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 12102141310031 its reverse (13001314120121), we get a palindrome (25103455430152).

The spelling of 12102141310031 in words is "twelve trillion, one hundred two billion, one hundred forty-one million, three hundred ten thousand, thirty-one".

Divisors: 1 179 307 54953 220227127 39420655733 67609727989 12102141310031