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31002131331299 = 339188871028747
BaseRepresentation
bin1110000110010001111110…
…00001100111100011100011
311001202202220211121000212102
413003020333001213203203
513030414331110100144
6145534103231321015
76346554500224142
oct703107701474343
9131682824530772
1031002131331299
119972a25a04777
12358850708016b
13143b64714586b
147927228b7759
1538b6836e5b4e
hex1c323f0678e3

31002131331299 has 8 divisors (see below), whose sum is σ = 31014793463808. Its totient is φ = 30989471280840.

The previous prime is 31002131331277. The next prime is 31002131331323. The reversal of 31002131331299 is 99213313120013.

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

It is a cyclic number.

It is not a de Polignac number, because 31002131331299 - 212 = 31002131327203 is a prime.

It is a super-2 number, since 2×310021313312992 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31002131331239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29621444 + ... + 30650190.

It is an arithmetic number, because the mean of its divisors is an integer number (3876849182976).

Almost surely, 231002131331299 is an apocalyptic number.

31002131331299 is a deficient number, since it is larger than the sum of its proper divisors (12662132509).

31002131331299 is a wasteful number, since it uses less digits than its factorization.

31002131331299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1041025.

The product of its (nonzero) digits is 26244, while the sum is 38.

The spelling of 31002131331299 in words is "thirty-one trillion, two billion, one hundred thirty-one million, three hundred thirty-one thousand, two hundred ninety-nine".

Divisors: 1 3391 8887 1028747 30135817 3488481077 9142474589 31002131331299