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31013101313177 is a prime number
BaseRepresentation
bin1110000110100110011001…
…11000110001110010011001
311001210211020100112211222112
413003103030320301302121
513031104312414010202
6145543115544202105
76350423363434454
oct703231470616231
9131724210484875
1031013101313177
1199776451aa4a5
12358a668a69335
13143c6a4a8cbb9
147930837b249b
1538bac6805b52
hex1c34cce31c99

31013101313177 has 2 divisors, whose sum is σ = 31013101313178. Its totient is φ = 31013101313176.

The previous prime is 31013101313147. The next prime is 31013101313209. The reversal of 31013101313177 is 77131310131013.

It is an a-pointer prime, because the next prime (31013101313209) can be obtained adding 31013101313177 to its sum of digits (32).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29942116419721 + 1070984893456 = 5471939^2 + 1034884^2 .

It is a cyclic number.

It is not a de Polignac number, because 31013101313177 - 26 = 31013101313113 is a prime.

It is a super-2 number, since 2×310131013131772 (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (31013101313107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15506550656588 + 15506550656589.

It is an arithmetic number, because the mean of its divisors is an integer number (15506550656589).

Almost surely, 231013101313177 is an apocalyptic number.

It is an amenable number.

31013101313177 is a deficient number, since it is larger than the sum of its proper divisors (1).

31013101313177 is an equidigital number, since it uses as much as digits as its factorization.

31013101313177 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3969, while the sum is 32.

The spelling of 31013101313177 in words is "thirty-one trillion, thirteen billion, one hundred one million, three hundred thirteen thousand, one hundred seventy-seven".