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31020010323113 = 710694145397611
BaseRepresentation
bin1110000110110011010001…
…01100100011110010101001
311001211111001212001220212102
413003121220230203302221
513031212440120314423
6145550221312223145
76351056526155540
oct703315054436251
9131744055056772
1031020010323113
11997a570156969
12358ba7683aab5
131440236288366
1479353b205157
1538bd7d149c28
hex1c3668b23ca9

31020010323113 has 8 divisors (see below), whose sum is σ = 35484603558720. Its totient is φ = 26563707884880.

The previous prime is 31020010323077. The next prime is 31020010323131. The reversal of 31020010323113 is 31132301002013.

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 31020010323113 - 210 = 31020010322089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31020010323193) 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, 2072691323 + ... + 2072706288.

It is an arithmetic number, because the mean of its divisors is an integer number (4435575444840).

Almost surely, 231020010323113 is an apocalyptic number.

It is an amenable number.

31020010323113 is a deficient number, since it is larger than the sum of its proper divisors (4464593235607).

31020010323113 is a wasteful number, since it uses less digits than its factorization.

31020010323113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4145398687.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 31020010323113 its reverse (31132301002013), we get a palindrome (62152311325126).

The spelling of 31020010323113 in words is "thirty-one trillion, twenty billion, ten million, three hundred twenty-three thousand, one hundred thirteen".

Divisors: 1 7 1069 7483 4145397611 29017783277 4431430046159 31020010323113