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31030320220022 = 243360817676977
BaseRepresentation
bin1110000111000110011110…
…01101101100011101110110
311001212110200100221221122002
413003203033031230131312
513031400043434020042
6145555044325135302
76351603155640164
oct703431715543566
9131773610857562
1031030320220022
119983980895022
123591a7355a532
1314411ba22a286
14793c38596234
1538c28331e132
hex1c38cf36c776

31030320220022 has 8 divisors (see below), whose sum is σ = 47627933361096. Its totient is φ = 15154342432992.

The previous prime is 31030320219919. The next prime is 31030320220043. The reversal of 31030320220022 is 22002202303013.

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

It is a junction number, because it is equal to n+sod(n) for n = 31030320219976 and 31030320220003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 180408838403 + ... + 180408838574.

It is an arithmetic number, because the mean of its divisors is an integer number (5953491670137).

Almost surely, 231030320220022 is an apocalyptic number.

31030320220022 is a deficient number, since it is larger than the sum of its proper divisors (16597613141074).

31030320220022 is a wasteful number, since it uses less digits than its factorization.

31030320220022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360817677022.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 31030320220022 its reverse (22002202303013), we get a palindrome (53032522523035).

The spelling of 31030320220022 in words is "thirty-one trillion, thirty billion, three hundred twenty million, two hundred twenty thousand, twenty-two".

Divisors: 1 2 43 86 360817676977 721635353954 15515160110011 31030320220022