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31400142424133 = 78944075015317
BaseRepresentation
bin1110010001110111010100…
…10101011100100001000101
311010011211020220200110010212
413020323222111130201011
513103424442430033013
6150441005402325205
76420404541544040
oct710735225344105
9133154226613125
1031400142424133
11a0067a888673a
1236316841b9805
13146a0366c1952
147a7abc86bc57
15396bca6bd6a8
hex1c8eea55c845

31400142424133 has 8 divisors (see below), whose sum is σ = 35885924333952. Its totient is φ = 26914372333776.

The previous prime is 31400142424109. The next prime is 31400142424193. The reversal of 31400142424133 is 33142424100413.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 31400142424133 - 218 = 31400142161989 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 31400142424133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31400142424193) 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, 3753191 + ... + 8768507.

It is an arithmetic number, because the mean of its divisors is an integer number (4485740541744).

Almost surely, 231400142424133 is an apocalyptic number.

It is an amenable number.

31400142424133 is a deficient number, since it is larger than the sum of its proper divisors (4485781909819).

31400142424133 is an equidigital number, since it uses as much as digits as its factorization.

31400142424133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5909731.

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 31400142424133 its reverse (33142424100413), we get a palindrome (64542566524546).

The spelling of 31400142424133 in words is "thirty-one trillion, four hundred billion, one hundred forty-two million, four hundred twenty-four thousand, one hundred thirty-three".

Divisors: 1 7 894407 5015317 6260849 35107219 4485734632019 31400142424133