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30432002331 = 310144000777
BaseRepresentation
bin11100010101111000…
…111000000100011011
32220112212011220011110
4130111320320010123
5444311043033311
621551423231403
72125063515603
oct342570700433
986485156143
1030432002331
11119a7087855
125a93748563
132b3ca2cb93
14168997dc03
15bd1a0e8a6
hex715e3811b

30432002331 has 4 divisors (see below), whose sum is σ = 40576003112. Its totient is φ = 20288001552.

The previous prime is 30432002329. The next prime is 30432002333. The reversal of 30432002331 is 13320023403.

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

It is an interprime number because it is at equal distance from previous prime (30432002329) and next prime (30432002333).

It is not a de Polignac number, because 30432002331 - 21 = 30432002329 is a prime.

It is a super-2 number, since 2×304320023312 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30432002298 and 30432002307.

It is not an unprimeable number, because it can be changed into a prime (30432002333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5072000386 + ... + 5072000391.

It is an arithmetic number, because the mean of its divisors is an integer number (10144000778).

Almost surely, 230432002331 is an apocalyptic number.

30432002331 is a deficient number, since it is larger than the sum of its proper divisors (10144000781).

30432002331 is a wasteful number, since it uses less digits than its factorization.

30432002331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10144000780.

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 30432002331 its reverse (13320023403), we get a palindrome (43752025734).

The spelling of 30432002331 in words is "thirty billion, four hundred thirty-two million, two thousand, three hundred thirty-one".

Divisors: 1 3 10144000777 30432002331