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13332001031 = 19876709613
BaseRepresentation
bin11000110101010011…
…00011000100000111
31021102010111211020222
430122221203010013
5204300443013111
610042531014555
7651244065446
oct143251430407
937363454228
1013332001031
115721626778
122700a3a45b
1313460c550b
149068acd5d
155306827db
hex31aa63107

13332001031 has 4 divisors (see below), whose sum is σ = 13338712632. Its totient is φ = 13325289432.

The previous prime is 13332000989. The next prime is 13332001049. The reversal of 13332001031 is 13010023331.

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 13332001031 - 218 = 13331738887 is a prime.

It is a super-2 number, since 2×133320010312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13332001931) 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, 3352820 + ... + 3356793.

It is an arithmetic number, because the mean of its divisors is an integer number (3334678158).

Almost surely, 213332001031 is an apocalyptic number.

13332001031 is a deficient number, since it is larger than the sum of its proper divisors (6711601).

13332001031 is an equidigital number, since it uses as much as digits as its factorization.

13332001031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6711600.

The product of its (nonzero) digits is 162, while the sum is 17.

Adding to 13332001031 its reverse (13010023331), we get a palindrome (26342024362).

The spelling of 13332001031 in words is "thirteen billion, three hundred thirty-two million, one thousand, thirty-one".

Divisors: 1 1987 6709613 13332001031