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31020014120237 is a prime number
BaseRepresentation
bin1110000110110011010001…
…11011000010110100101101
311001211111002010012211112122
413003121220323002310231
513031212442103321422
6145550221525442325
76351056603352062
oct703315073026455
9131744063184478
1031020014120237
11997a57230a78a
12358ba77b703a5
131440236cb778c
1479353b912c69
1538bd7d649d42
hex1c3668ec2d2d

31020014120237 has 2 divisors, whose sum is σ = 31020014120238. Its totient is φ = 31020014120236.

The previous prime is 31020014120191. The next prime is 31020014120281. The reversal of 31020014120237 is 73202141002013.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17732975790916 + 13287038329321 = 4211054^2 + 3645139^2 .

It is a cyclic number.

It is not a de Polignac number, because 31020014120237 - 212 = 31020014116141 is a prime.

It is a super-2 number, since 2×310200141202372 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31020014120287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15510007060118 + 15510007060119.

It is an arithmetic number, because the mean of its divisors is an integer number (15510007060119).

Almost surely, 231020014120237 is an apocalyptic number.

It is an amenable number.

31020014120237 is a deficient number, since it is larger than the sum of its proper divisors (1).

31020014120237 is an equidigital number, since it uses as much as digits as its factorization.

31020014120237 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 26.

The spelling of 31020014120237 in words is "thirty-one trillion, twenty billion, fourteen million, one hundred twenty thousand, two hundred thirty-seven".