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231330320031011 = 7731579189526933
BaseRepresentation
bin110100100110010011001001…
…100011010001110100100011
31010100001221222202011102200012
4310212103021203101310203
5220310103443411443021
62135555403143515135
766504030660502325
oct6446231143216443
91110057882142605
10231330320031011
1167788701985663
1221b41448158aab
139c1048127c9c6
14411a6392ad615
151bb2674a3135b
hexd264c98d1d23

231330320031011 has 8 divisors (see below), whose sum is σ = 231776278127280. Its totient is φ = 230884740993312.

The previous prime is 231330320030947. The next prime is 231330320031037. The reversal of 231330320031011 is 110130023033132.

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 231330320031011 - 26 = 231330320030947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231330320031311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93542900 + ... + 95984033.

It is an arithmetic number, because the mean of its divisors is an integer number (28972034765910).

Almost surely, 2231330320031011 is an apocalyptic number.

231330320031011 is a deficient number, since it is larger than the sum of its proper divisors (445958096269).

231330320031011 is a wasteful number, since it uses less digits than its factorization.

231330320031011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189529285.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 231330320031011 its reverse (110130023033132), we get a palindrome (341460343064143).

The spelling of 231330320031011 in words is "two hundred thirty-one trillion, three hundred thirty billion, three hundred twenty million, thirty-one thousand, eleven".

Divisors: 1 773 1579 1220567 189526933 146504319209 299263027207 231330320031011