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331201202031013 = 2803118159544071
BaseRepresentation
bin100101101001110011100100…
…1111111110000100110100101
31121102200112012020011221212211
41023103213021333300212211
5321402400030204443023
63132223422015443421
7126522332353030036
oct11323471177604645
91542615166157784
10331201202031013
1196592706170326
1231191018526571
13112a61a7184802
145bb031bc08a8d
152845483b10a0d
hex12d39c9ff09a5

331201202031013 has 4 divisors (see below), whose sum is σ = 331319361577888. Its totient is φ = 331083042484140.

The previous prime is 331201202031001. The next prime is 331201202031053. The reversal of 331201202031013 is 310130202102133.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 331201202031013 - 221 = 331201199933861 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 (331201202031053) 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, 59079769233 + ... + 59079774838.

It is an arithmetic number, because the mean of its divisors is an integer number (82829840394472).

Almost surely, 2331201202031013 is an apocalyptic number.

It is an amenable number.

331201202031013 is a deficient number, since it is larger than the sum of its proper divisors (118159546875).

331201202031013 is a wasteful number, since it uses less digits than its factorization.

331201202031013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118159546874.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 331201202031013 its reverse (310130202102133), we get a palindrome (641331404133146).

The spelling of 331201202031013 in words is "three hundred thirty-one trillion, two hundred one billion, two hundred two million, thirty-one thousand, thirteen".

Divisors: 1 2803 118159544071 331201202031013