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31134023300 = 22521312376643
BaseRepresentation
bin11100111111101110…
…110111111010000100
32222100210011020220002
4130333232313322010
51002230302221200
622145222100432
72151346555142
oct347756677204
988323136802
1031134023300
1112227387576
12604a87a718
132c222c90c3
141714cc2592
15c23480bd5
hex73fbb7e84

31134023300 has 36 divisors (see below), whose sum is σ = 68076590736. Its totient is φ = 12358538400.

The previous prime is 31134023267. The next prime is 31134023309. The reversal of 31134023300 is 332043113.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (31134023309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1175222 + ... + 1201421.

Almost surely, 231134023300 is an apocalyptic number.

It is an amenable number.

31134023300 is an abundant number, since it is smaller than the sum of its proper divisors (36942567436).

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

31134023300 is a wasteful number, since it uses less digits than its factorization.

31134023300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2376788 (or 2376781 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 31134023300 its reverse (332043113), we get a palindrome (31466066413).

The spelling of 31134023300 in words is "thirty-one billion, one hundred thirty-four million, twenty-three thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 50 100 131 262 524 655 1310 2620 3275 6550 13100 2376643 4753286 9506572 11883215 23766430 47532860 59416075 118832150 237664300 311340233 622680466 1245360932 1556701165 3113402330 6226804660 7783505825 15567011650 31134023300