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121010031301 = 246511490891
BaseRepresentation
bin111000010110011000…
…0101000101011000101
3102120100101201111222011
41300230300220223011
53440312032000201
6131331412534221
711512512203035
oct1605460505305
9376311644864
10121010031301
114735800a635
121b552021371
13b546527423
145bdd5458c5
1532339b9151
hex1c2cc28ac5

121010031301 has 4 divisors (see below), whose sum is σ = 121010768704. Its totient is φ = 121009293900.

The previous prime is 121010031251. The next prime is 121010031313. The reversal of 121010031301 is 103130010121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 103130010121 = 859120058219.

It is a cyclic number.

It is not a de Polignac number, because 121010031301 - 225 = 120976476869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121010031001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1066 + ... + 491956.

It is an arithmetic number, because the mean of its divisors is an integer number (30252692176).

Almost surely, 2121010031301 is an apocalyptic number.

It is an amenable number.

121010031301 is a deficient number, since it is larger than the sum of its proper divisors (737403).

121010031301 is an equidigital number, since it uses as much as digits as its factorization.

121010031301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 737402.

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 121010031301 its reverse (103130010121), we get a palindrome (224140041422).

The spelling of 121010031301 in words is "one hundred twenty-one billion, ten million, thirty-one thousand, three hundred one".

Divisors: 1 246511 490891 121010031301