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103203133313131 = 129062979963439
BaseRepresentation
bin10111011101110011011010…
…000110011101000001101011
3111112102010022210202021210201
4113131303122012131001223
5102011340004112010011
61003254510454053031
730511115565106135
oct2735633206350153
9445363283667721
10103203133313131
112a97a226289635
12b6a956064a177
134578024185047
141b6b0b5db6055
15bde83c5b1cc1
hex5ddcda19d06b

103203133313131 has 4 divisors (see below), whose sum is σ = 103203214567200. Its totient is φ = 103203052059064.

The previous prime is 103203133313129. The next prime is 103203133313141. The reversal of 103203133313131 is 131313331302301.

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 103203133313131 - 21 = 103203133313129 is a prime.

It is a super-2 number, since 2×1032031333131312 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 103203133313131.

It is not an unprimeable number, because it can be changed into a prime (103203133313141) 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, 38691091 + ... + 41272348.

It is an arithmetic number, because the mean of its divisors is an integer number (25800803641800).

Almost surely, 2103203133313131 is an apocalyptic number.

103203133313131 is a deficient number, since it is larger than the sum of its proper divisors (81254069).

103203133313131 is an equidigital number, since it uses as much as digits as its factorization.

103203133313131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81254068.

The product of its (nonzero) digits is 4374, while the sum is 28.

Adding to 103203133313131 its reverse (131313331302301), we get a palindrome (234516464615432).

The spelling of 103203133313131 in words is "one hundred three trillion, two hundred three billion, one hundred thirty-three million, three hundred thirteen thousand, one hundred thirty-one".

Divisors: 1 1290629 79963439 103203133313131