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3101020311031 is a prime number
BaseRepresentation
bin101101001000000011001…
…101101100110111110111
3101222110021102210210022021
4231020003031230313313
5401301342144423111
610332331123214011
7440020113506236
oct55100315546767
911873242723267
103101020311031
11a96154138635
12420bb9517307
1319656a83b686
14aa139670b1d
15559e8322d71
hex2d20336cdf7

3101020311031 has 2 divisors, whose sum is σ = 3101020311032. Its totient is φ = 3101020311030.

The previous prime is 3101020311019. The next prime is 3101020311047. The reversal of 3101020311031 is 1301130201013.

It is an a-pointer prime, because the next prime (3101020311047) can be obtained adding 3101020311031 to its sum of digits (16).

It is a weak prime.

It is an emirp because it is prime and its reverse (1301130201013) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3101020311031 - 29 = 3101020310519 is a prime.

It is a super-2 number, since 2×31010203110312 (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3101020310996 and 3101020311014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3101020311071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1550510155515 + 1550510155516.

It is an arithmetic number, because the mean of its divisors is an integer number (1550510155516).

Almost surely, 23101020311031 is an apocalyptic number.

3101020311031 is a deficient number, since it is larger than the sum of its proper divisors (1).

3101020311031 is an equidigital number, since it uses as much as digits as its factorization.

3101020311031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 3101020311031 its reverse (1301130201013), we get a palindrome (4402150512044).

The spelling of 3101020311031 in words is "three trillion, one hundred one billion, twenty million, three hundred eleven thousand, thirty-one".