Search a number
BaseRepresentation
bin11101011001011111111…
…10000011010001001111
310120120022010221220002011
432230233332003101033
5113022212230010111
62052013234242051
7132656524160626
oct16545776032117
93516263856064
101010122110031
1135a432662a91
12143927a26327
137433c36b468
1436c668b46bd
151b4201e5021
hexeb2ff8344f

1010122110031 has 4 divisors (see below), whose sum is σ = 1019929120912. Its totient is φ = 1000315099152.

The previous prime is 1010122110029. The next prime is 1010122110037. The reversal of 1010122110031 is 1300112210101.

Adding to 1010122110031 its reverse (1300112210101), we get a palindrome (2310234320132).

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1010122110031 - 21 = 1010122110029 is a prime.

It is a super-2 number, since 2×10101221100312 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1010122109993 and 1010122110020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010122110037) 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, 4903505286 + ... + 4903505491.

It is an arithmetic number, because the mean of its divisors is an integer number (254982280228).

Almost surely, 21010122110031 is an apocalyptic number.

1010122110031 is a deficient number, since it is larger than the sum of its proper divisors (9807010881).

1010122110031 is an equidigital number, since it uses as much as digits as its factorization.

1010122110031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9807010880.

The product of its (nonzero) digits is 12, while the sum is 13.

The spelling of 1010122110031 in words is "one trillion, ten billion, one hundred twenty-two million, one hundred ten thousand, thirty-one".

Divisors: 1 103 9807010777 1010122110031