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1331300202231 = 3443766734077
BaseRepresentation
bin10011010111110111101…
…011001111011011110111
311201021022121012110202110
4103113313223033123313
5133303000322432411
62455331343342103
7165116601002316
oct23276753173367
94637277173673
101331300202231
1147366829141a
121960218b1933
139870596856c
144861456827d
152496bc7e2a6
hex135f7acf6f7

1331300202231 has 4 divisors (see below), whose sum is σ = 1775066936312. Its totient is φ = 887533468152.

The previous prime is 1331300202227. The next prime is 1331300202233. The reversal of 1331300202231 is 1322020031331.

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

It is not a de Polignac number, because 1331300202231 - 22 = 1331300202227 is a prime.

It is a super-2 number, since 2×13313002022312 (a number of 25 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 = 1331300202198 and 1331300202207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331300202233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 221883367036 + ... + 221883367041.

It is an arithmetic number, because the mean of its divisors is an integer number (443766734078).

Almost surely, 21331300202231 is an apocalyptic number.

1331300202231 is a deficient number, since it is larger than the sum of its proper divisors (443766734081).

1331300202231 is an equidigital number, since it uses as much as digits as its factorization.

1331300202231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443766734080.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 1331300202231 its reverse (1322020031331), we get a palindrome (2653320233562).

The spelling of 1331300202231 in words is "one trillion, three hundred thirty-one billion, three hundred million, two hundred two thousand, two hundred thirty-one".

Divisors: 1 3 443766734077 1331300202231