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103203131211331 = 172095997044059
BaseRepresentation
bin10111011101110011011001…
…111110011011111001000011
3111112102010022122210111200021
4113131303121332123321003
5102011340003042230311
61003254510341034311
730511115541203344
oct2735633176337103
9445363278714607
10103203131211331
112a97a225083508
12b6a955b9b5997
1345780238ca488
141b6b0b59ca0cb
15bde83c2e9171
hex5ddcd9f9be43

103203131211331 has 4 divisors (see below), whose sum is σ = 103209128272600. Its totient is φ = 103197134150064.

The previous prime is 103203131211317. The next prime is 103203131211337. The reversal of 103203131211331 is 133112131302301.

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 103203131211331 - 29 = 103203131210819 is a prime.

It is a super-2 number, since 2×1032031312113312 (a number of 29 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 = 103203131211296 and 103203131211305.

It is not an unprimeable number, because it can be changed into a prime (103203131211337) 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, 2998504821 + ... + 2998539238.

It is an arithmetic number, because the mean of its divisors is an integer number (25802282068150).

Almost surely, 2103203131211331 is an apocalyptic number.

103203131211331 is a deficient number, since it is larger than the sum of its proper divisors (5997061269).

103203131211331 is an equidigital number, since it uses as much as digits as its factorization.

103203131211331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5997061268.

The product of its (nonzero) digits is 972, while the sum is 25.

Adding to 103203131211331 its reverse (133112131302301), we get a palindrome (236315262513632).

The spelling of 103203131211331 in words is "one hundred three trillion, two hundred three billion, one hundred thirty-one million, two hundred eleven thousand, three hundred thirty-one".

Divisors: 1 17209 5997044059 103203131211331