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1232020131011 = 7871565463953
BaseRepresentation
bin10001111011011010000…
…111110100110011000011
311100210001121020022010122
4101323122013310303003
5130141134123143021
62341552055050455
7155003415216455
oct21733207646303
94323047208118
101232020131011
1143555127748a
1217a935070a2b
138c2433550a7
14438b6d8c2d5
15220aad51bab
hex11eda1f4cc3

1232020131011 has 4 divisors (see below), whose sum is σ = 1233585595752. Its totient is φ = 1230454666272.

The previous prime is 1232020130993. The next prime is 1232020131047. The reversal of 1232020131011 is 1101310202321.

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 1232020131011 - 214 = 1232020114627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1232020131211) 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, 782731190 + ... + 782732763.

It is an arithmetic number, because the mean of its divisors is an integer number (308396398938).

Almost surely, 21232020131011 is an apocalyptic number.

1232020131011 is a deficient number, since it is larger than the sum of its proper divisors (1565464741).

1232020131011 is an equidigital number, since it uses as much as digits as its factorization.

1232020131011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1565464740.

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

Adding to 1232020131011 its reverse (1101310202321), we get a palindrome (2333330333332).

The spelling of 1232020131011 in words is "one trillion, two hundred thirty-two billion, twenty million, one hundred thirty-one thousand, eleven".

Divisors: 1 787 1565463953 1232020131011