Search a number
-
+
31100323010311 is a prime number
BaseRepresentation
bin1110001001001000110111…
…01101001001011100000111
311002010011100222120011001201
413010210123231021130013
513034021430142312221
6150051142520003331
76356631665560612
oct704443355113407
9132104328504051
1031100323010311
119a00633612515
1235a354b300547
131447995110989
147973996d7179
1538decdcd1891
hex1c491bb49707

31100323010311 has 2 divisors, whose sum is σ = 31100323010312. Its totient is φ = 31100323010310.

The previous prime is 31100323010297. The next prime is 31100323010359. The reversal of 31100323010311 is 11301032300113.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 31100323010311 - 223 = 31100314621703 is a prime.

It is a super-2 number, since 2×311003230103112 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31100323020311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15550161505155 + 15550161505156.

It is an arithmetic number, because the mean of its divisors is an integer number (15550161505156).

Almost surely, 231100323010311 is an apocalyptic number.

31100323010311 is a deficient number, since it is larger than the sum of its proper divisors (1).

31100323010311 is an equidigital number, since it uses as much as digits as its factorization.

31100323010311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 31100323010311 its reverse (11301032300113), we get a palindrome (42401355310424).

The spelling of 31100323010311 in words is "thirty-one trillion, one hundred billion, three hundred twenty-three million, ten thousand, three hundred eleven".