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2042313331 = 12907158233
BaseRepresentation
bin111100110111011…
…0011101001110011
312021022222021012111
41321232303221303
513140313011311
6534353510151
7101416243162
oct17156635163
95238867174
102042313331
11958918263
1248bb72357
13267170b36
141553513d9
15be46ed21
hex79bb3a73

2042313331 has 4 divisors (see below), whose sum is σ = 2042484472. Its totient is φ = 2042142192.

The previous prime is 2042313311. The next prime is 2042313341. The reversal of 2042313331 is 1333132402.

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

It is a cyclic number.

It is not a de Polignac number, because 2042313331 - 223 = 2033924723 is a prime.

It is a super-2 number, since 2×20423133312 = 8342087483960631122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2042313311) 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, 66210 + ... + 92023.

It is an arithmetic number, because the mean of its divisors is an integer number (510621118).

Almost surely, 22042313331 is an apocalyptic number.

2042313331 is a deficient number, since it is larger than the sum of its proper divisors (171141).

2042313331 is a wasteful number, since it uses less digits than its factorization.

2042313331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171140.

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 2042313331 is about 45191.9609112063. The cubic root of 2042313331 is about 1268.7443581944.

Adding to 2042313331 its reverse (1333132402), we get a palindrome (3375445733).

The spelling of 2042313331 in words is "two billion, forty-two million, three hundred thirteen thousand, three hundred thirty-one".

Divisors: 1 12907 158233 2042313331