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301143100031 = 1510119941931
BaseRepresentation
bin1000110000111011000…
…01110000101001111111
31001210022011212112012022
410120131201300221333
514413220113200111
6350202045430355
730520415054444
oct4303541605177
91053264775168
10301143100031
1110679447a274
124a44426b3bb
13225228c0167
141080ac9d9cb
157c77c0a2db
hex461d870a7f

301143100031 has 4 divisors (see below), whose sum is σ = 301163057064. Its totient is φ = 301123143000.

The previous prime is 301143100021. The next prime is 301143100033. The reversal of 301143100031 is 130001341103.

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 301143100031 - 26 = 301143099967 is a prime.

It is a super-2 number, since 2×3011431000312 (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 = 301143099982 and 301143100009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (301143100033) 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, 9955865 + ... + 9986066.

It is an arithmetic number, because the mean of its divisors is an integer number (75290764266).

Almost surely, 2301143100031 is an apocalyptic number.

301143100031 is a deficient number, since it is larger than the sum of its proper divisors (19957033).

301143100031 is a wasteful number, since it uses less digits than its factorization.

301143100031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19957032.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 301143100031 its reverse (130001341103), we get a palindrome (431144441134).

The spelling of 301143100031 in words is "three hundred one billion, one hundred forty-three million, one hundred thousand, thirty-one".

Divisors: 1 15101 19941931 301143100031