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230013120031 = 892584417079
BaseRepresentation
bin1101011000110111011…
…0011010111000011111
3210222201000021011011121
43112031312122320133
512232031324320111
6253355551231411
722421640155452
oct3261566327037
9728630234147
10230013120031
1189603456532
12386b2b18567
13188c8328cb6
14b1c0183499
155eb32e0871
hex358dd9ae1f

230013120031 has 4 divisors (see below), whose sum is σ = 232597537200. Its totient is φ = 227428702864.

The previous prime is 230013120023. The next prime is 230013120049. The reversal of 230013120031 is 130021310032.

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

It is a cyclic number.

It is not a de Polignac number, because 230013120031 - 23 = 230013120023 is a prime.

It is a super-2 number, since 2×2300131200312 (a number of 24 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 = 230013119987 and 230013120014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230013120331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1292208451 + ... + 1292208628.

It is an arithmetic number, because the mean of its divisors is an integer number (58149384300).

Almost surely, 2230013120031 is an apocalyptic number.

230013120031 is a deficient number, since it is larger than the sum of its proper divisors (2584417169).

230013120031 is an equidigital number, since it uses as much as digits as its factorization.

230013120031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2584417168.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 230013120031 its reverse (130021310032), we get a palindrome (360034430063).

The spelling of 230013120031 in words is "two hundred thirty billion, thirteen million, one hundred twenty thousand, thirty-one".

Divisors: 1 89 2584417079 230013120031