Search a number
-
+
102406942331 is a prime number
BaseRepresentation
bin101111101011111101…
…1011110111001111011
3100210022220201200101222
41133113323132321323
53134212134123311
6115013424102255
710253511435041
oct1372773367173
9323286650358
10102406942331
113a48105a541
1217a1ba6498b
139870389285
144d569aa391
1529e56d2adb
hex17d7edee7b

102406942331 has 2 divisors, whose sum is σ = 102406942332. Its totient is φ = 102406942330.

The previous prime is 102406942213. The next prime is 102406942361. The reversal of 102406942331 is 133249604201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 102406942331 - 214 = 102406925947 is a prime.

It is a super-2 number, since 2×1024069423312 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102406942291 and 102406942300.

It is not a weakly prime, because it can be changed into another prime (102406942361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51203471165 + 51203471166.

It is an arithmetic number, because the mean of its divisors is an integer number (51203471166).

Almost surely, 2102406942331 is an apocalyptic number.

102406942331 is a deficient number, since it is larger than the sum of its proper divisors (1).

102406942331 is an equidigital number, since it uses as much as digits as its factorization.

102406942331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 35.

The spelling of 102406942331 in words is "one hundred two billion, four hundred six million, nine hundred forty-two thousand, three hundred thirty-one".