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31032322131133 = 313123780149393
BaseRepresentation
bin1110000111001010001101…
…00010011000010010111101
311001212122211212220120102001
413003211012202120102331
513031413143431144013
6150000015121102301
76352003604621551
oct703450642302275
9131778755816361
1031032322131133
119984808917514
123592331a87991
131441448bc346b
14793d883cb861
1538c34de5cddd
hex1c39468984bd

31032322131133 has 8 divisors (see below), whose sum is σ = 31156634228408. Its totient is φ = 30908170335744.

The previous prime is 31032322131127. The next prime is 31032322131157. The reversal of 31032322131133 is 33113122323013.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 554171558329 + 30478150572804 = 744427^2 + 5520702^2 .

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-31032322131133 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 (31032322431133) 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, 39687516 + ... + 40461877.

It is an arithmetic number, because the mean of its divisors is an integer number (3894579278551).

Almost surely, 231032322131133 is an apocalyptic number.

It is an amenable number.

31032322131133 is a deficient number, since it is larger than the sum of its proper divisors (124312097275).

31032322131133 is a wasteful number, since it uses less digits than its factorization.

31032322131133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80150943.

The product of its (nonzero) digits is 5832, while the sum is 28.

Adding to 31032322131133 its reverse (33113122323013), we get a palindrome (64145444454146).

The spelling of 31032322131133 in words is "thirty-one trillion, thirty-two billion, three hundred twenty-two million, one hundred thirty-one thousand, one hundred thirty-three".

Divisors: 1 313 1237 387181 80149393 25086760009 99144799141 31032322131133