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310130311020 = 22355168838517
BaseRepresentation
bin1001000001101010011…
…01001111111101101100
31002122111111220010222120
410200311031033331230
520040121324423040
6354245532512540
731256214101655
oct4406515177554
91078444803876
10310130311020
1110a586525972
125013201b750
132332581329a
141102070652c
158101c0c7d0
hex483534ff6c

310130311020 has 24 divisors (see below), whose sum is σ = 868364871024. Its totient is φ = 82701416256.

The previous prime is 310130311019. The next prime is 310130311021. The reversal of 310130311020 is 20113031013.

It is an interprime number because it is at equal distance from previous prime (310130311019) and next prime (310130311021).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (310130311021) 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, 2584419199 + ... + 2584419318.

It is an arithmetic number, because the mean of its divisors is an integer number (36181869626).

Almost surely, 2310130311020 is an apocalyptic number.

310130311020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

310130311020 is an abundant number, since it is smaller than the sum of its proper divisors (558234560004).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

310130311020 is a wasteful number, since it uses less digits than its factorization.

310130311020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5168838529 (or 5168838527 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 310130311020 its reverse (20113031013), we get a palindrome (330243342033).

The spelling of 310130311020 in words is "three hundred ten billion, one hundred thirty million, three hundred eleven thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 5168838517 10337677034 15506515551 20675354068 25844192585 31013031102 51688385170 62026062204 77532577755 103376770340 155065155510 310130311020