Search a number
-
+
31300024103 = 1021302310141
BaseRepresentation
bin11101001001101000…
…000111011100100111
32222210100111222011222
4131021220013130213
51003100301232403
622213512050555
72155433546405
oct351150073447
988710458158
1031300024103
1112302058417
126096393a5b
132c4a80b02a
14172cd74475
15c32d21338
hex749a07727

31300024103 has 8 divisors (see below), whose sum is σ = 31344134976. Its totient is φ = 31255941600.

The previous prime is 31300024057. The next prime is 31300024109. The reversal of 31300024103 is 30142000313.

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 31300024103 - 226 = 31232915239 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 (31300024109) 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, 3081413 + ... + 3091553.

It is an arithmetic number, because the mean of its divisors is an integer number (3918016872).

Almost surely, 231300024103 is an apocalyptic number.

31300024103 is a deficient number, since it is larger than the sum of its proper divisors (44110873).

31300024103 is a wasteful number, since it uses less digits than its factorization.

31300024103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14185.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 31300024103 its reverse (30142000313), we get a palindrome (61442024416).

The spelling of 31300024103 in words is "thirty-one billion, three hundred million, twenty-four thousand, one hundred three".

Divisors: 1 1021 3023 10141 3086483 10353961 30656243 31300024103