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30106301 = 31971171
BaseRepresentation
bin111001011011…
…0001010111101
32002122120002012
41302312022331
530201400201
62553141005
7513620321
oct162661275
962576065
1030106301
1115aa3345
12a0ba765
1363114a4
143dd9981
15299a5bb
hex1cb62bd

30106301 has 4 divisors (see below), whose sum is σ = 31077504. Its totient is φ = 29135100.

The previous prime is 30106283. The next prime is 30106309. The reversal of 30106301 is 10360103.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10360103 = 13796931.

It is a cyclic number.

It is not a de Polignac number, because 30106301 - 222 = 25911997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30106309) 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, 485555 + ... + 485616.

It is an arithmetic number, because the mean of its divisors is an integer number (7769376).

Almost surely, 230106301 is an apocalyptic number.

30106301 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

30106301 is a deficient number, since it is larger than the sum of its proper divisors (971203).

30106301 is an equidigital number, since it uses as much as digits as its factorization.

30106301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 971202.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 30106301 is about 5486.9209033847. The cubic root of 30106301 is about 311.0898201085.

Adding to 30106301 its reverse (10360103), we get a palindrome (40466404).

The spelling of 30106301 in words is "thirty million, one hundred six thousand, three hundred one".

Divisors: 1 31 971171 30106301