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230302030031 = 1931193274767
BaseRepresentation
bin1101011001111100010…
…0100001100011001111
3211000110010220022011222
43112133010201203033
512233124304430111
6253444351433555
722432045645613
oct3263704414317
9730403808158
10230302030031
1189741545927
12387738258bb
1318943143068
14b20a6ab343
155ecd85d7db
hex359f1218cf

230302030031 has 4 divisors (see below), whose sum is σ = 231495304992. Its totient is φ = 229108755072.

The previous prime is 230302029989. The next prime is 230302030069. The reversal of 230302030031 is 130030203032.

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 230302030031 - 210 = 230302029007 is a prime.

It is a super-2 number, since 2×2303020300312 (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 = 230302029991 and 230302030009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230302030531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 596637191 + ... + 596637576.

It is an arithmetic number, because the mean of its divisors is an integer number (57873826248).

Almost surely, 2230302030031 is an apocalyptic number.

230302030031 is a deficient number, since it is larger than the sum of its proper divisors (1193274961).

230302030031 is a wasteful number, since it uses less digits than its factorization.

230302030031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1193274960.

The product of its (nonzero) digits is 324, while the sum is 17.

Adding to 230302030031 its reverse (130030203032), we get a palindrome (360332233063).

The spelling of 230302030031 in words is "two hundred thirty billion, three hundred two million, thirty thousand, thirty-one".

Divisors: 1 193 1193274767 230302030031