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31300400204 = 2217460300003
BaseRepresentation
bin11101001001101001…
…100011010001001100
32222210101020002002122
4131021221203101030
51003100400301304
622213524112112
72155440004043
oct351151432114
988711202078
1031300400204
1112302294a47
126096535638
132c4a910288
14172d03155a
15c32d979be
hex749a6344c

31300400204 has 12 divisors (see below), whose sum is σ = 57997800504. Its totient is φ = 14729600064.

The previous prime is 31300400189. The next prime is 31300400213. The reversal of 31300400204 is 40200400313.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 230149934 + ... + 230150069.

It is an arithmetic number, because the mean of its divisors is an integer number (4833150042).

Almost surely, 231300400204 is an apocalyptic number.

31300400204 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

31300400204 is a deficient number, since it is larger than the sum of its proper divisors (26697400300).

31300400204 is a wasteful number, since it uses less digits than its factorization.

31300400204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460300024 (or 460300022 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 31300400204 its reverse (40200400313), we get a palindrome (71500800517).

The spelling of 31300400204 in words is "thirty-one billion, three hundred million, four hundred thousand, two hundred four".

Divisors: 1 2 4 17 34 68 460300003 920600006 1841200012 7825100051 15650200102 31300400204