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31023015133201 = 713346398444197
BaseRepresentation
bin1110000110111000110111…
…10011000000000000010001
311001211202211021011002101221
413003130123303000000101
513031240113333230301
6145551435411525041
76351224143504030
oct703343363000021
9131752737132357
1031023015133201
119980872302193
123590574bb9781
1314405c49650b0
14793744300717
1538bea6d3dda1
hex1c371bcc0011

31023015133201 has 16 divisors (see below), whose sum is σ = 38193198609664. Its totient is φ = 24538594071744.

The previous prime is 31023015133157. The next prime is 31023015133207. The reversal of 31023015133201 is 10233151032013.

It is a cyclic number.

It is not a de Polignac number, because 31023015133201 - 213 = 31023015125009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31023015133207) 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, 48906966 + ... + 49537231.

It is an arithmetic number, because the mean of its divisors is an integer number (2387074913104).

Almost surely, 231023015133201 is an apocalyptic number.

It is an amenable number.

31023015133201 is a deficient number, since it is larger than the sum of its proper divisors (7170183476463).

31023015133201 is a wasteful number, since it uses less digits than its factorization.

31023015133201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98447680.

The product of its (nonzero) digits is 1620, while the sum is 25.

Adding to 31023015133201 its reverse (10233151032013), we get a palindrome (41256166165214).

The spelling of 31023015133201 in words is "thirty-one trillion, twenty-three billion, fifteen million, one hundred thirty-three thousand, two hundred one".

Divisors: 1 7 13 91 3463 24241 45019 315133 98444197 689109379 1279774561 8958421927 340912254211 2386385779477 4431859304743 31023015133201