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31312030313371 is a prime number
BaseRepresentation
bin1110001111010011001100…
…11100011010101110011011
311002212101211020012110012011
413013221212130122232123
513101004014230011441
6150332314222130351
76411135205136533
oct707514634325633
9132771736173164
1031312030313371
119a823a2899795
1236185937209b7
131461933a529c2
147a37205a44c3
1539476ee5b581
hex1c7a6671ab9b

31312030313371 has 2 divisors, whose sum is σ = 31312030313372. Its totient is φ = 31312030313370.

The previous prime is 31312030313279. The next prime is 31312030313401. The reversal of 31312030313371 is 17331303021313.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 31312030313371 - 29 = 31312030312859 is a prime.

It is a super-2 number, since 2×313120303133712 (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (31312030313471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15656015156685 + 15656015156686.

It is an arithmetic number, because the mean of its divisors is an integer number (15656015156686).

Almost surely, 231312030313371 is an apocalyptic number.

31312030313371 is a deficient number, since it is larger than the sum of its proper divisors (1).

31312030313371 is an equidigital number, since it uses as much as digits as its factorization.

31312030313371 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10206, while the sum is 31.

Adding to 31312030313371 its reverse (17331303021313), we get a palindrome (48643333334684).

The spelling of 31312030313371 in words is "thirty-one trillion, three hundred twelve billion, thirty million, three hundred thirteen thousand, three hundred seventy-one".