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13210140131 = 53249247927
BaseRepresentation
bin11000100110110001…
…01011110111100011
31021002122012122112022
430103120223313203
5204023243441011
610022455052055
7645234224036
oct142330536743
937078178468
1013210140131
115669863891
12268807102b
131326a99586
148d462b01d
15524b108db
hex31362bde3

13210140131 has 4 divisors (see below), whose sum is σ = 13459388112. Its totient is φ = 12960892152.

The previous prime is 13210140121. The next prime is 13210140133. The reversal of 13210140131 is 13104101231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13104101231 = 131008007787.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13210140131 is a prime.

It is a super-2 number, since 2×132101401312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13210140133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124623911 + ... + 124624016.

It is an arithmetic number, because the mean of its divisors is an integer number (3364847028).

Almost surely, 213210140131 is an apocalyptic number.

13210140131 is a deficient number, since it is larger than the sum of its proper divisors (249247981).

13210140131 is an equidigital number, since it uses as much as digits as its factorization.

13210140131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249247980.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 13210140131 its reverse (13104101231), we get a palindrome (26314241362).

The spelling of 13210140131 in words is "thirteen billion, two hundred ten million, one hundred forty thousand, one hundred thirty-one".

Divisors: 1 53 249247927 13210140131