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31013310102302 = 2117470718869663
BaseRepresentation
bin1110000110100110110010…
…10101001111101100011110
311001210211202220102102211002
413003103121111033230132
513031110224341233202
6145543152403230302
76350431510216223
oct703233125175436
9131724686372732
1031013310102302
1199777420458a0
12358a706978392
13143c709103868
147930a340194a
1538bad9ce9302
hex1c34d954fb1e

31013310102302 has 16 divisors (see below), whose sum is σ = 50749734892032. Its totient is φ = 14096769693720.

The previous prime is 31013310102301. The next prime is 31013310102413. The reversal of 31013310102302 is 20320101331013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31013310102301) 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, 7791278 + ... + 11078385.

It is an arithmetic number, because the mean of its divisors is an integer number (3171858430752).

Almost surely, 231013310102302 is an apocalyptic number.

31013310102302 is a deficient number, since it is larger than the sum of its proper divisors (19736424789730).

31013310102302 is a wasteful number, since it uses less digits than its factorization.

31013310102302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18944383.

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

Adding to 31013310102302 its reverse (20320101331013), we get a palindrome (51333411433315).

The spelling of 31013310102302 in words is "thirty-one trillion, thirteen billion, three hundred ten million, one hundred two thousand, three hundred two".

Divisors: 1 2 11 22 74707 149414 821777 1643554 18869663 37739326 207566293 415132586 1409695913741 2819391827482 15506655051151 31013310102302