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31343424314400 = 253352116710718401
BaseRepresentation
bin1110010000001101101011…
…01011000001110000100000
311002222101212010112221111000
413020012311223001300200
513102012313111030100
6150354545332352000
76413326162554402
oct710066553016040
9132871763487430
1031343424314400
119a947429a4390
123622695475600
131464897b75b83
147a505bbdcb72
153954ab142900
hex1c81b5ac1c20

31343424314400 has 1152 divisors, whose sum is σ = 126689661342720. Its totient is φ = 7414640640000.

The previous prime is 31343424314353. The next prime is 31343424314413. The reversal of 31343424314400 is 441342434313.

31343424314400 is a `hidden beast` number, since 3 + 1 + 3 + 4 + 3 + 4 + 243 + 1 + 4 + 400 = 666.

It is a super-2 number, since 2×313434243144002 (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 1703345200 + ... + 1703363600.

It is an arithmetic number, because the mean of its divisors is an integer number (109973664360).

Almost surely, 231343424314400 is an apocalyptic number.

31343424314400 is a gapful number since it is divisible by the number (30) 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 31343424314400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63344830671360).

31343424314400 is an abundant number, since it is smaller than the sum of its proper divisors (95346237028320).

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

31343424314400 is a wasteful number, since it uses less digits than its factorization.

31343424314400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18615 (or 18596 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 36.

Adding to 31343424314400 its reverse (441342434313), we get a palindrome (31784766748713).

The spelling of 31343424314400 in words is "thirty-one trillion, three hundred forty-three billion, four hundred twenty-four million, three hundred fourteen thousand, four hundred".