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2023032131 = 3165259101
BaseRepresentation
bin111100010010101…
…0000010101000011
312012222200200100222
41320211100111003
513120344012011
6532424333255
7101063326601
oct17045202503
95188620328
102023032131
11948a48a8a
1248561422b
1326317c943
14152972871
15bc911ddb
hex78950543

2023032131 has 4 divisors (see below), whose sum is σ = 2088291264. Its totient is φ = 1957773000.

The previous prime is 2023032047. The next prime is 2023032157. The reversal of 2023032131 is 1312303202.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2023032131 is a prime.

It is a super-2 number, since 2×20230321312 = 8185318006116802322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2023032161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32629520 + ... + 32629581.

It is an arithmetic number, because the mean of its divisors is an integer number (522072816).

Almost surely, 22023032131 is an apocalyptic number.

2023032131 is a deficient number, since it is larger than the sum of its proper divisors (65259133).

2023032131 is an equidigital number, since it uses as much as digits as its factorization.

2023032131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65259132.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 2023032131 is about 44978.1294742234. The cubic root of 2023032131 is about 1264.7390466113.

Adding to 2023032131 its reverse (1312303202), we get a palindrome (3335335333).

The spelling of 2023032131 in words is "two billion, twenty-three million, thirty-two thousand, one hundred thirty-one".

Divisors: 1 31 65259101 2023032131