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2031342013 = 12715994819
BaseRepresentation
bin111100100010011…
…1101000110111101
312020120022212101101
41321010331012331
513130010421023
6533322413101
7101224056631
oct17104750675
95216285341
102031342013
11952704358
12488361191
13264acc12c
14153ad6dc1
15bd5041ad
hex7913d1bd

2031342013 has 4 divisors (see below), whose sum is σ = 2047336960. Its totient is φ = 2015347068.

The previous prime is 2031341999. The next prime is 2031342043. The reversal of 2031342013 is 3102431302.

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 2031342013 - 225 = 1997787581 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 (2031342043) 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, 7997283 + ... + 7997536.

It is an arithmetic number, because the mean of its divisors is an integer number (511834240).

Almost surely, 22031342013 is an apocalyptic number.

It is an amenable number.

2031342013 is a deficient number, since it is larger than the sum of its proper divisors (15994947).

2031342013 is a wasteful number, since it uses less digits than its factorization.

2031342013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15994946.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 2031342013 is about 45070.4117243231. The cubic root of 2031342013 is about 1266.4683773247.

Adding to 2031342013 its reverse (3102431302), we get a palindrome (5133773315).

It can be divided in two parts, 20313 and 42013, that added together give a palindrome (62326).

The spelling of 2031342013 in words is "two billion, thirty-one million, three hundred forty-two thousand, thirteen".

Divisors: 1 127 15994819 2031342013