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31023011301011 = 712414057446893
BaseRepresentation
bin1110000110111000110111…
…00100011000011010010011
311001211202210222221101121222
413003130123210120122103
513031240111343113021
6145551435153435255
76351224066103332
oct703343344303223
9131752728841558
1031023011301011
119980870124a94
12359057386bb2b
1314405c3c22a22
147937439c3d19
1538bea68336ab
hex1c371b918693

31023011301011 has 16 divisors (see below), whose sum is σ = 31598351725248. Its totient is φ = 30451578393600.

The previous prime is 31023011300977. The next prime is 31023011301089. The reversal of 31023011301011 is 11010311032013.

It is a cyclic number.

It is not a de Polignac number, because 31023011301011 - 226 = 31022944192147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31023011351011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69195881 + ... + 69642773.

It is an arithmetic number, because the mean of its divisors is an integer number (1974896982828).

Almost surely, 231023011301011 is an apocalyptic number.

31023011301011 is a deficient number, since it is larger than the sum of its proper divisors (575340424237).

31023011301011 is a wasteful number, since it uses less digits than its factorization.

31023011301011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451262.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 31023011301011 its reverse (11010311032013), we get a palindrome (42033322333024).

The spelling of 31023011301011 in words is "thirty-one trillion, twenty-three billion, eleven million, three hundred one thousand, eleven".

Divisors: 1 71 241 4057 17111 288047 446893 977737 31729403 69419327 107701213 1813044901 7646786123 128726187971 436943821141 31023011301011