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311400211124 = 221917872292877
BaseRepresentation
bin1001000100000001110…
…01100010001010110100
31002202210000102202102202
410202000321202022310
520100221423223444
6355015535124032
731332534056432
oct4420071421264
91082700382382
10311400211124
11110078334692
1250427373618
132349893c972
141110122dd52
15817845434e
hex4880e622b4

311400211124 has 24 divisors (see below), whose sum is σ = 573953220960. Its totient is φ = 147422755296.

The previous prime is 311400211121. The next prime is 311400211217. The reversal of 311400211124 is 421112004113.

It is a junction number, because it is equal to n+sod(n) for n = 311400211096 and 311400211105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311400211121) 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, 1010627 + ... + 1282250.

It is an arithmetic number, because the mean of its divisors is an integer number (23914717540).

Almost surely, 2311400211124 is an apocalyptic number.

It is an amenable number.

311400211124 is a deficient number, since it is larger than the sum of its proper divisors (262553009836).

311400211124 is a wasteful number, since it uses less digits than its factorization.

311400211124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2294687 (or 2294685 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 311400211124 its reverse (421112004113), we get a palindrome (732512215237).

The spelling of 311400211124 in words is "three hundred eleven billion, four hundred million, two hundred eleven thousand, one hundred twenty-four".

Divisors: 1 2 4 19 38 76 1787 3574 7148 33953 67906 135812 2292877 4585754 9171508 43564663 87129326 174258652 4097371199 8194742398 16389484796 77850052781 155700105562 311400211124