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1031133213013 = 1213997385237
BaseRepresentation
bin11110000000101000101…
…01000011000101010101
310122120112110001111212111
433000110111003011111
5113343230100304023
62105410203151021
7134332304460631
oct17002425030525
93576473044774
101031133213013
113683348a9702
12147a10515471
137630a36cb87
1437c9b197dc1
151bc4ead700d
hexf014543155

1031133213013 has 8 divisors (see below), whose sum is σ = 1032098867768. Its totient is φ = 1030167751104.

The previous prime is 1031133213007. The next prime is 1031133213053. The reversal of 1031133213013 is 3103123311301.

It can be written as a sum of positive squares in 4 ways, for example, as 386436964 + 1030746776049 = 19658^2 + 1015257^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1031133213013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031133213053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12054631 + ... + 12139867.

It is an arithmetic number, because the mean of its divisors is an integer number (129012358471).

Almost surely, 21031133213013 is an apocalyptic number.

It is an amenable number.

1031133213013 is a deficient number, since it is larger than the sum of its proper divisors (965654755).

1031133213013 is an equidigital number, since it uses as much as digits as its factorization.

1031133213013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96423.

The product of its (nonzero) digits is 486, while the sum is 22.

Adding to 1031133213013 its reverse (3103123311301), we get a palindrome (4134256524314).

The spelling of 1031133213013 in words is "one trillion, thirty-one billion, one hundred thirty-three million, two hundred thirteen thousand, thirteen".

Divisors: 1 1213 9973 85237 12097249 103392481 850068601 1031133213013