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131404012031400 = 2335259109311033079
BaseRepresentation
bin11101111000001011100001…
…011101011000110110101000
3122020021002201112100101200020
4131320023201131120312220
5114210410404040001100
61143250100400240440
736451424626105203
oct3570134135306650
9566232645311606
10131404012031400
1138962146107049
12128a2b89910120
135842464433b24
142463db957093a
15102d1bea585a0
hex7782e1758da8

131404012031400 has 384 divisors, whose sum is σ = 415146428928000. Its totient is φ = 34373268034560.

The previous prime is 131404012031359. The next prime is 131404012031431. The reversal of 131404012031400 is 4130210404131.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 42677495061 + ... + 42677498139.

It is an arithmetic number, because the mean of its divisors is an integer number (1081110492000).

Almost surely, 2131404012031400 is an apocalyptic number.

131404012031400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131404012031400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (207573214464000).

131404012031400 is an abundant number, since it is smaller than the sum of its proper divisors (283742416896600).

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

131404012031400 is a wasteful number, since it uses less digits than its factorization.

131404012031400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5353 (or 5344 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 131404012031400 its reverse (4130210404131), we get a palindrome (135534222435531).

The spelling of 131404012031400 in words is "one hundred thirty-one trillion, four hundred four billion, twelve million, thirty-one thousand, four hundred".