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31122133122113 = 1121913537247987
BaseRepresentation
bin1110001001110001011111…
…01100000111110001000001
311002012020122222010121220022
413010320233230013301001
513034401112034401423
6150105151030223225
76361333320505445
oct704705754076101
9132166588117808
1031122133122113
119a09905882300
1235a78174b4b15
131449a5c809087
14798468168825
1538e858901dc8
hex1c4e2fb07c41

31122133122113 has 12 divisors (see below), whose sum is σ = 36009079648080. Its totient is φ = 26803751012280.

The previous prime is 31122133122079. The next prime is 31122133122127.

31122133122113 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 31122133122113 - 234 = 31104953252929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31122133122163) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6768621695 + ... + 6768626292.

It is an arithmetic number, because the mean of its divisors is an integer number (3000756637340).

Almost surely, 231122133122113 is an apocalyptic number.

It is an amenable number.

31122133122113 is a deficient number, since it is larger than the sum of its proper divisors (4886946525967).

31122133122113 is a wasteful number, since it uses less digits than its factorization.

31122133122113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13537248028 (or 13537248017 counting only the distinct ones).

The product of its digits is 1296, while the sum is 26.

It can be divided in two parts, 3112213 and 3122113, that added together give a palindrome (6234326).

The spelling of 31122133122113 in words is "thirty-one trillion, one hundred twenty-two billion, one hundred thirty-three million, one hundred twenty-two thousand, one hundred thirteen".

Divisors: 1 11 19 121 209 2299 13537247987 148909727857 257207711753 1638007006427 2829284829283 31122133122113