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10230240031 = 112148743283
BaseRepresentation
bin10011000011100010…
…10001001100011111
3222101222000001001221
421201301101030133
5131422420140111
64411045314211
7511341414454
oct114161211437
928358001057
1010230240031
11437a781830
121b96105967
13c70601a8b
146d097782b
153ed1dc371
hex261c5131f

10230240031 has 8 divisors (see below), whose sum is σ = 11161039104. Its totient is φ = 9299570520.

The previous prime is 10230240029. The next prime is 10230240061. The reversal of 10230240031 is 13004203201.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10230240031 - 21 = 10230240029 is a prime.

It is a super-2 number, since 2×102302400312 (a number of 21 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 = 10230239987 and 10230240014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10230240061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 214716 + ... + 257998.

It is an arithmetic number, because the mean of its divisors is an integer number (1395129888).

Almost surely, 210230240031 is an apocalyptic number.

10230240031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

10230240031 is a deficient number, since it is larger than the sum of its proper divisors (930799073).

10230240031 is a wasteful number, since it uses less digits than its factorization.

10230240031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64781.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 10230240031 its reverse (13004203201), we get a palindrome (23234443232).

The spelling of 10230240031 in words is "ten billion, two hundred thirty million, two hundred forty thousand, thirty-one".

Divisors: 1 11 21487 43283 236357 476113 930021821 10230240031