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190313867431 is a prime number
BaseRepresentation
bin1011000100111110010…
…1110010100010100111
3200012020022010011112201
42301033211302202213
511104230322224211
6223232354355331
716515104116312
oct2611745624247
9605208104481
10190313867431
1173791242466
1230a7388bb47
1314c3c67679c
1492d5901979
154e3ce140c1
hex2c4f9728a7

190313867431 has 2 divisors, whose sum is σ = 190313867432. Its totient is φ = 190313867430.

The previous prime is 190313867413. The next prime is 190313867473. The reversal of 190313867431 is 134768313091.

Together with previous prime (190313867413) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is an emirp because it is prime and its reverse (134768313091) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 190313867431 - 211 = 190313865383 is a prime.

It is a super-2 number, since 2×1903138674312 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (190313867231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95156933715 + 95156933716.

It is an arithmetic number, because the mean of its divisors is an integer number (95156933716).

Almost surely, 2190313867431 is an apocalyptic number.

190313867431 is a deficient number, since it is larger than the sum of its proper divisors (1).

190313867431 is an equidigital number, since it uses as much as digits as its factorization.

190313867431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 326592, while the sum is 46.

The spelling of 190313867431 in words is "one hundred ninety billion, three hundred thirteen million, eight hundred sixty-seven thousand, four hundred thirty-one".