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10311570421 is a prime number
BaseRepresentation
bin10011001101001111…
…00001001111110101
3222121122001001101121
421212213201033311
5132104230223141
64423112423541
7513346621345
oct114647411765
928548031347
1010311570421
114411681529
121bb93a7bb1
13c84409879
146db6a8d25
154054051d1
hex2669e13f5

10311570421 has 2 divisors, whose sum is σ = 10311570422. Its totient is φ = 10311570420.

The previous prime is 10311570341. The next prime is 10311570433. The reversal of 10311570421 is 12407511301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5268582225 + 5042988196 = 72585^2 + 71014^2 .

It is an emirp because it is prime and its reverse (12407511301) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10311570421 - 213 = 10311562229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10311570461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5155785210 + 5155785211.

It is an arithmetic number, because the mean of its divisors is an integer number (5155785211).

Almost surely, 210311570421 is an apocalyptic number.

It is an amenable number.

10311570421 is a deficient number, since it is larger than the sum of its proper divisors (1).

10311570421 is an equidigital number, since it uses as much as digits as its factorization.

10311570421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 840, while the sum is 25.

The spelling of 10311570421 in words is "ten billion, three hundred eleven million, five hundred seventy thousand, four hundred twenty-one".