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30354043531 = 76171086753
BaseRepresentation
bin11100010001001111…
…011111001010001011
32220100102111011210111
4130101033133022023
5444131113343111
621540000255151
72123126053510
oct342117371213
986312434714
1030354043531
1111967080199
125a716114b7
132b29835906
14167d489307
15bc9c60a21
hex7113df28b

30354043531 has 8 divisors (see below), whose sum is σ = 35259029984. Its totient is φ = 25591230720.

The previous prime is 30354043523. The next prime is 30354043543. The reversal of 30354043531 is 13534045303.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30354043531 - 23 = 30354043523 is a prime.

It is a super-2 number, since 2×303540435312 (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 = 30354043493 and 30354043502.

It is not an unprimeable number, because it can be changed into a prime (30354043561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35542950 + ... + 35543803.

It is an arithmetic number, because the mean of its divisors is an integer number (4407378748).

Almost surely, 230354043531 is an apocalyptic number.

30354043531 is a deficient number, since it is larger than the sum of its proper divisors (4904986453).

30354043531 is an equidigital number, since it uses as much as digits as its factorization.

30354043531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71086821.

The product of its (nonzero) digits is 32400, while the sum is 31.

Adding to 30354043531 its reverse (13534045303), we get a palindrome (43888088834).

The spelling of 30354043531 in words is "thirty billion, three hundred fifty-four million, forty-three thousand, five hundred thirty-one".

Divisors: 1 7 61 427 71086753 497607271 4336291933 30354043531