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31122030302033 = 113797778267047
BaseRepresentation
bin1110001001110001010011…
…00011111001001101010001
311002012020101210122211021012
413010320221203321031101
513034400404224131113
6150105132514340305
76361330631526446
oct704705143711521
9132166353584235
1031122030302033
119a09862835030
1235a77a8b8a695
131449a44418aa8
147984586419cd
1538e84e891aa8
hex1c4e298f9351

31122030302033 has 16 divisors (see below), whose sum is σ = 34904598862464. Its totient is φ = 27499909282560.

The previous prime is 31122030302021. The next prime is 31122030302113. The reversal of 31122030302033 is 33020303022113.

It is not a de Polignac number, because 31122030302033 - 214 = 31122030285649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31122030302533) 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, 38735885 + ... + 39531162.

It is an arithmetic number, because the mean of its divisors is an integer number (2181537428904).

Almost surely, 231122030302033 is an apocalyptic number.

It is an amenable number.

31122030302033 is a deficient number, since it is larger than the sum of its proper divisors (3782568560431).

31122030302033 is a wasteful number, since it uses less digits than its factorization.

31122030302033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78268072.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 31122030302033 its reverse (33020303022113), we get a palindrome (64142333324146).

The spelling of 31122030302033 in words is "thirty-one trillion, one hundred twenty-two billion, thirty million, three hundred two thousand, thirty-three".

Divisors: 1 11 37 407 977 10747 36149 397639 78267047 860937517 2895880739 31854688129 76466904919 841135954109 2829275482003 31122030302033