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31102101331019 is a prime number
BaseRepresentation
bin1110001001001100001011…
…01100111001110001001011
311002010022221220210012110122
413010212011230321301023
513034034100420043034
6150052035203333455
76360024031213235
oct704460554716113
9132108856705418
1031102101331019
119a0136640a154
1235a396698128b
131447bb9680154
147974c7969255
1538e084ea662e
hex1c4985b39c4b

31102101331019 has 2 divisors, whose sum is σ = 31102101331020. Its totient is φ = 31102101331018.

The previous prime is 31102101330983. The next prime is 31102101331043. The reversal of 31102101331019 is 91013310120113.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 31102101331019 - 28 = 31102101330763 is a prime.

It is a super-2 number, since 2×311021013310192 (a number of 28 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (31102101331099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15551050665509 + 15551050665510.

It is an arithmetic number, because the mean of its divisors is an integer number (15551050665510).

Almost surely, 231102101331019 is an apocalyptic number.

31102101331019 is a deficient number, since it is larger than the sum of its proper divisors (1).

31102101331019 is an equidigital number, since it uses as much as digits as its factorization.

31102101331019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 486, while the sum is 26.

The spelling of 31102101331019 in words is "thirty-one trillion, one hundred two billion, one hundred one million, three hundred thirty-one thousand, nineteen".