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1020201231013 = 19324472160203
BaseRepresentation
bin11101101100010001011…
…10110110001010100101
310121112022120121021210021
432312020232312022211
5113203333003343023
62100401324555141
7133464352245166
oct16661056661245
93545276537707
101020201231013
11363734aa8838
1214587b3b2ab1
137528756bb83
143754135176d
151b80eed135d
hexed88bb62a5

1020201231013 has 8 divisors (see below), whose sum is σ = 1025906802048. Its totient is φ = 1014499985664.

The previous prime is 1020201231011. The next prime is 1020201231019. The reversal of 1020201231013 is 3101321020201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1020201231013 - 21 = 1020201231011 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020201231011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 607831 + ... + 1552372.

It is an arithmetic number, because the mean of its divisors is an integer number (128238350256).

Almost surely, 21020201231013 is an apocalyptic number.

It is an amenable number.

1020201231013 is a deficient number, since it is larger than the sum of its proper divisors (5705571035).

1020201231013 is a wasteful number, since it uses less digits than its factorization.

1020201231013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2162843.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 1020201231013 its reverse (3101321020201), we get a palindrome (4121522251214).

The spelling of 1020201231013 in words is "one trillion, twenty billion, two hundred one million, two hundred thirty-one thousand, thirteen".

Divisors: 1 193 2447 472271 2160203 416919179 5286016741 1020201231013