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31013110013122 = 271218402183191
BaseRepresentation
bin1110000110100110011010…
…11001111101110011000010
311001210211020221220212001201
413003103031121331303002
513031104322130404442
6145543120454451414
76350423530410646
oct703231531756302
9131724227825051
1031013110013122
11997764a101936
12358a66b963b6a
13143c6a6817ab3
147930849d8c26
1538bac74737b7
hex1c34cd67dcc2

31013110013122 has 8 divisors (see below), whose sum is σ = 47174871569472. Its totient is φ = 15288152823300.

The previous prime is 31013110013107. The next prime is 31013110013141. The reversal of 31013110013122 is 22131001131013.

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

It is a self number, because there is not a number n which added to its sum of digits gives 31013110013122.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109201091454 + ... + 109201091737.

It is an arithmetic number, because the mean of its divisors is an integer number (5896858946184).

Almost surely, 231013110013122 is an apocalyptic number.

31013110013122 is a deficient number, since it is larger than the sum of its proper divisors (16161761556350).

31013110013122 is a wasteful number, since it uses less digits than its factorization.

31013110013122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218402183264.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 31013110013122 its reverse (22131001131013), we get a palindrome (53144111144135).

The spelling of 31013110013122 in words is "thirty-one trillion, thirteen billion, one hundred ten million, thirteen thousand, one hundred twenty-two".

Divisors: 1 2 71 142 218402183191 436804366382 15506555006561 31013110013122