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13321900131 = 34440633377
BaseRepresentation
bin11000110100000110…
…00001000001100011
31021101102111122102120
430122003001001203
5204240401301011
610041530315323
7651062165661
oct143203010143
937342448376
1013321900131
115716957821
1226b9588b43
131343c99a57
149053ddc31
1552e839a06
hex31a0c1063

13321900131 has 4 divisors (see below), whose sum is σ = 17762533512. Its totient is φ = 8881266752.

The previous prime is 13321900093. The next prime is 13321900153. The reversal of 13321900131 is 13100912331.

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

It is a cyclic number.

It is not a de Polignac number, because 13321900131 - 27 = 13321900003 is a prime.

It is a super-2 number, since 2×133219001312 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13321900181) 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, 2220316686 + ... + 2220316691.

It is an arithmetic number, because the mean of its divisors is an integer number (4440633378).

Almost surely, 213321900131 is an apocalyptic number.

13321900131 is a deficient number, since it is larger than the sum of its proper divisors (4440633381).

13321900131 is an equidigital number, since it uses as much as digits as its factorization.

13321900131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4440633380.

The product of its (nonzero) digits is 486, while the sum is 24.

The spelling of 13321900131 in words is "thirteen billion, three hundred twenty-one million, nine hundred thousand, one hundred thirty-one".

Divisors: 1 3 4440633377 13321900131