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13023120130131 = 34341040043377
BaseRepresentation
bin1011110110000010111001…
…1100110000000001010011
31201002222221122002211102110
42331200232130300001103
53201332322223131011
643410423325120403
72512614025433526
oct275405634600123
951088848084373
1013023120130131
11417108a88a761
121563b746b9103
137360c88b87a7
14330472864bbd
15178b642c5ba6
hexbd82e730053

13023120130131 has 4 divisors (see below), whose sum is σ = 17364160173512. Its totient is φ = 8682080086752.

The previous prime is 13023120130127. The next prime is 13023120130133. The reversal of 13023120130131 is 13103102132031.

It is a happy number.

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

It is not a de Polignac number, because 13023120130131 - 22 = 13023120130127 is a prime.

It is a super-2 number, since 2×130231201301312 (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 = 13023120130098 and 13023120130107.

It is not an unprimeable number, because it can be changed into a prime (13023120130133) 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, 2170520021686 + ... + 2170520021691.

It is an arithmetic number, because the mean of its divisors is an integer number (4341040043378).

Almost surely, 213023120130131 is an apocalyptic number.

13023120130131 is a deficient number, since it is larger than the sum of its proper divisors (4341040043381).

13023120130131 is an equidigital number, since it uses as much as digits as its factorization.

13023120130131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4341040043380.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 13023120130131 its reverse (13103102132031), we get a palindrome (26126222262162).

The spelling of 13023120130131 in words is "thirteen trillion, twenty-three billion, one hundred twenty million, one hundred thirty thousand, one hundred thirty-one".

Divisors: 1 3 4341040043377 13023120130131