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10102131301 = 12451811351
BaseRepresentation
bin10010110100010001…
…00100101001100101
3222002000221102221011
421122020210221211
5131142121200201
64350231422221
7505224461563
oct113210445145
928060842834
1010102131301
114314431849
121b5b224971
13c4cbc90b2
146bb94aa33
153e1d34151
hex25a224a65

10102131301 has 4 divisors (see below), whose sum is σ = 10102955104. Its totient is φ = 10101307500.

The previous prime is 10102131271. The next prime is 10102131313. The reversal of 10102131301 is 10313120101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10313120101 = 15923647687.

It is a cyclic number.

It is not a de Polignac number, because 10102131301 - 29 = 10102130789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10102131331) 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, 393225 + ... + 418126.

It is an arithmetic number, because the mean of its divisors is an integer number (2525738776).

Almost surely, 210102131301 is an apocalyptic number.

It is an amenable number.

10102131301 is a deficient number, since it is larger than the sum of its proper divisors (823803).

10102131301 is an equidigital number, since it uses as much as digits as its factorization.

10102131301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 823802.

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 10102131301 its reverse (10313120101), we get a palindrome (20415251402).

The spelling of 10102131301 in words is "ten billion, one hundred two million, one hundred thirty-one thousand, three hundred one".

Divisors: 1 12451 811351 10102131301