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2420232031 = 73127134111
BaseRepresentation
bin1001000001000001…
…1100111101011111
320020200002112012101
42100100130331133
514424034411111
61040053545531
7113655430030
oct22020347537
96220075171
102420232031
111032181168
125766452a7
132c7550879
1418d608a87
15e2720bc1
hex9041cf5f

2420232031 has 16 divisors (see below), whose sum is σ = 2856951808. Its totient is φ = 2006337600.

The previous prime is 2420232011. The next prime is 2420232041. The reversal of 2420232031 is 1302320242.

2420232031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 2420232031 - 29 = 2420231519 is a prime.

It is a super-2 number, since 2×24202320312 = 11715046167756769922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2420232011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 586666 + ... + 590776.

It is an arithmetic number, because the mean of its divisors is an integer number (178559488).

Almost surely, 22420232031 is an apocalyptic number.

2420232031 is a deficient number, since it is larger than the sum of its proper divisors (436719777).

2420232031 is a wasteful number, since it uses less digits than its factorization.

2420232031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6862.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 2420232031 is about 49195.8537988721. The cubic root of 2420232031 is about 1342.6175964920.

Adding to 2420232031 its reverse (1302320242), we get a palindrome (3722552273).

The spelling of 2420232031 in words is "two billion, four hundred twenty million, two hundred thirty-two thousand, thirty-one".

Divisors: 1 7 31 217 2713 4111 18991 28777 84103 127441 588721 892087 11153143 78072001 345747433 2420232031