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31103303211269 is a prime number
BaseRepresentation
bin1110001001001110011010…
…10101101101100100000101
311002010110001200100001012222
413010213031111231210011
513034044031110230034
6150052354340022125
76360065564062262
oct704471525554405
9132113050301188
1031103303211269
119a0192288a613
1235a4041391945
13144804b6823b3
1479759d428269
1538e10576412e
hex1c49cd56d905

31103303211269 has 2 divisors, whose sum is σ = 31103303211270. Its totient is φ = 31103303211268.

The previous prime is 31103303211221. The next prime is 31103303211341. The reversal of 31103303211269 is 96211230330113.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16066164260644 + 15037138950625 = 4008262^2 + 3877775^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-31103303211269 is a prime.

It is a super-2 number, since 2×311033032112692 (a number of 28 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31103303211209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15551651605634 + 15551651605635.

It is an arithmetic number, because the mean of its divisors is an integer number (15551651605635).

Almost surely, 231103303211269 is an apocalyptic number.

It is an amenable number.

31103303211269 is a deficient number, since it is larger than the sum of its proper divisors (1).

31103303211269 is an equidigital number, since it uses as much as digits as its factorization.

31103303211269 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17496, while the sum is 35.

The spelling of 31103303211269 in words is "thirty-one trillion, one hundred three billion, three hundred three million, two hundred eleven thousand, two hundred sixty-nine".