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1012300231 = 6131651387
BaseRepresentation
bin111100010101100…
…111100111000111
32121112211011212011
4330111213213013
54033122101411
6244241035051
734041260425
oct7425474707
92545734764
101012300231
1147a465168
12243025a87
13131955a27
1498630115
155dd10c21
hex3c5679c7

1012300231 has 4 divisors (see below), whose sum is σ = 1013952232. Its totient is φ = 1010648232.

The previous prime is 1012300199. The next prime is 1012300301. The reversal of 1012300231 is 1320032101.

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 1012300231 - 25 = 1012300199 is a prime.

It is a super-2 number, since 2×10123002312 = 2049503515365306722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012300631) 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, 825081 + ... + 826306.

It is an arithmetic number, because the mean of its divisors is an integer number (253488058).

Almost surely, 21012300231 is an apocalyptic number.

1012300231 is a deficient number, since it is larger than the sum of its proper divisors (1652001).

1012300231 is an equidigital number, since it uses as much as digits as its factorization.

1012300231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1652000.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 1012300231 is about 31816.6659315523. The cubic root of 1012300231 is about 1004.0833803098.

Adding to 1012300231 its reverse (1320032101), we get a palindrome (2332332332).

The spelling of 1012300231 in words is "one billion, twelve million, three hundred thousand, two hundred thirty-one".

Divisors: 1 613 1651387 1012300231