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31444233222103 = 1310138961563979
BaseRepresentation
bin1110010011001001011100…
…10110011111011111010111
311010100001001200022001111021
413021210232112133133113
513110140242201101403
6150513140433222011
76423525261256402
oct711445626373727
9133301050261437
1031444233222103
11a0234739a4849
12363a12a101907
131471242136b10
147a9ca2466d39
15397e0b3b38bd
hex1c992e59f7d7

31444233222103 has 16 divisors (see below), whose sum is σ = 34286211741600. Its totient is φ = 28664188156800.

The previous prime is 31444233222043. The next prime is 31444233222113. The reversal of 31444233222103 is 30122233244413.

It is a cyclic number.

It is not a de Polignac number, because 31444233222103 - 217 = 31444233091031 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31444233222113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30271233 + ... + 31292746.

It is an arithmetic number, because the mean of its divisors is an integer number (2142888233850).

Almost surely, 231444233222103 is an apocalyptic number.

31444233222103 is a deficient number, since it is larger than the sum of its proper divisors (2841978519497).

31444233222103 is a wasteful number, since it uses less digits than its factorization.

31444233222103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61564482.

The product of its (nonzero) digits is 82944, while the sum is 34.

Adding to 31444233222103 its reverse (30122233244413), we get a palindrome (61566466466516).

The spelling of 31444233222103 in words is "thirty-one trillion, four hundred forty-four billion, two hundred thirty-three million, two hundred twenty-two thousand, one hundred three".

Divisors: 1 13 101 389 1313 5057 39289 510757 61563979 800331727 6217961879 23948387831 80833504427 311329041803 2418787170931 31444233222103