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103131010121233 = 132178070408873
BaseRepresentation
bin10111011100110000001111…
…001110010011111000010001
3111112011020011102020112012011
4113130300033032103320101
5102004144302042334413
61003201422035502521
730502653400100503
oct2734601716237021
9445136142215164
10103131010121233
112a951685659016
12b697592757a41
13457129bbbc633
141b677d33d7d73
15bdca1a8a733d
hex5dcc0f393e11

103131010121233 has 4 divisors (see below), whose sum is σ = 103209080531428. Its totient is φ = 103052939711040.

The previous prime is 103131010121231. The next prime is 103131010121257. The reversal of 103131010121233 is 332121010131301.

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

It can be written as a sum of positive squares in 2 ways, for example, as 81913867194384 + 21217142926849 = 9050628^2 + 4606207^2 .

It is a cyclic number.

It is not a de Polignac number, because 103131010121233 - 21 = 103131010121231 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103131010121231) 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, 39035203116 + ... + 39035205757.

It is an arithmetic number, because the mean of its divisors is an integer number (25802270132857).

Almost surely, 2103131010121233 is an apocalyptic number.

It is an amenable number.

103131010121233 is a deficient number, since it is larger than the sum of its proper divisors (78070410195).

103131010121233 is an equidigital number, since it uses as much as digits as its factorization.

103131010121233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78070410194.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 103131010121233 its reverse (332121010131301), we get a palindrome (435252020252534).

The spelling of 103131010121233 in words is "one hundred three trillion, one hundred thirty-one billion, ten million, one hundred twenty-one thousand, two hundred thirty-three".

Divisors: 1 1321 78070408873 103131010121233