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31082103253 is a prime number
BaseRepresentation
bin11100111100101000…
…110100000111010101
32222020011110102222101
4130330220310013111
51002124004301003
622140125202101
72150146342555
oct347450640725
988204412871
1031082103253
1112200045243
126035400331
132c1461aa96
14170c049165
15c1db2711d
hex73ca341d5

31082103253 has 2 divisors, whose sum is σ = 31082103254. Its totient is φ = 31082103252.

The previous prime is 31082103229. The next prime is 31082103257. The reversal of 31082103253 is 35230128013.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24659363089 + 6422740164 = 157033^2 + 80142^2 .

It is an emirp because it is prime and its reverse (35230128013) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 31082103253 - 29 = 31082102741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31082103257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15541051626 + 15541051627.

It is an arithmetic number, because the mean of its divisors is an integer number (15541051627).

Almost surely, 231082103253 is an apocalyptic number.

It is an amenable number.

31082103253 is a deficient number, since it is larger than the sum of its proper divisors (1).

31082103253 is an equidigital number, since it uses as much as digits as its factorization.

31082103253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 28.

The spelling of 31082103253 in words is "thirty-one billion, eighty-two million, one hundred three thousand, two hundred fifty-three".