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1311210210133 = 232910133194003
BaseRepresentation
bin10011000101001010001…
…110000000001101010101
311122100110111100010120001
4103011022032000031111
5132440324303211013
62442210041211301
7163506003614635
oct23051216001525
94570414303501
101311210210133
11466098a86a6a
12192155790b31
1396853742485
144766a3386c5
1524193188ddd
hex1314a380355

1311210210133 has 16 divisors (see below), whose sum is σ = 1415546305920. Its totient is φ = 1210827010624.

The previous prime is 1311210210113. The next prime is 1311210210157. The reversal of 1311210210133 is 3310120121131.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1311210210133 is a prime.

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 1311210210133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311210210113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6661710 + ... + 6855712.

It is an arithmetic number, because the mean of its divisors is an integer number (88471644120).

Almost surely, 21311210210133 is an apocalyptic number.

It is an amenable number.

1311210210133 is a deficient number, since it is larger than the sum of its proper divisors (104336095787).

1311210210133 is a wasteful number, since it uses less digits than its factorization.

1311210210133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204188.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 1311210210133 its reverse (3310120121131), we get a palindrome (4621330331264).

The spelling of 1311210210133 in words is "one trillion, three hundred eleven billion, two hundred ten million, two hundred ten thousand, one hundred thirty-three".

Divisors: 1 23 29 667 10133 194003 233059 293857 4462069 5626087 6758711 129400001 1965832399 45214145177 57009139571 1311210210133