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13002200131 = 38933424679
BaseRepresentation
bin11000001101111110…
…11101010001000011
31020120010221012110211
430012333131101003
5203112030401011
65550110134551
7640130610004
oct140677352103
936503835424
1013002200131
115572448448
12262a4b1457
1312c299225b
148b4b7d1ab
15511738b21
hex306fdd443

13002200131 has 4 divisors (see below), whose sum is σ = 13035625200. Its totient is φ = 12968775064.

The previous prime is 13002200087. The next prime is 13002200147. The reversal of 13002200131 is 13100220031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13100220031 = 82715840653.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13002200131 is a prime.

It is a super-2 number, since 2×130022001312 (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 (13002200161) 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, 16711951 + ... + 16712728.

It is an arithmetic number, because the mean of its divisors is an integer number (3258906300).

Almost surely, 213002200131 is an apocalyptic number.

13002200131 is a deficient number, since it is larger than the sum of its proper divisors (33425069).

13002200131 is an equidigital number, since it uses as much as digits as its factorization.

13002200131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33425068.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 13002200131 its reverse (13100220031), we get a palindrome (26102420162).

The spelling of 13002200131 in words is "thirteen billion, two million, two hundred thousand, one hundred thirty-one".

Divisors: 1 389 33424679 13002200131