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31013301131123 = 1791061163297517
BaseRepresentation
bin1110000110100110110001…
…10011000001011101110011
311001210211202021112122200012
413003103120303001131303
513031110220042143443
6145543151443045135
76350431341033203
oct703233063013563
9131724667478605
1031013301131123
119977737a786a3
12358a7039707ab
13143c7072b237c
147930a2148403
1538bad9126118
hex1c34d8cc1773

31013301131123 has 8 divisors (see below), whose sum is σ = 31215953540880. Its totient is φ = 30810975318880.

The previous prime is 31013301131011. The next prime is 31013301131147. The reversal of 31013301131123 is 32113110331013.

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 31013301131123 - 226 = 31013234022259 is a prime.

It is a super-2 number, since 2×310133011311232 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31013301136123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81458840 + ... + 81838677.

It is an arithmetic number, because the mean of its divisors is an integer number (3901994192610).

Almost surely, 231013301131123 is an apocalyptic number.

31013301131123 is a deficient number, since it is larger than the sum of its proper divisors (202652409757).

31013301131123 is a wasteful number, since it uses less digits than its factorization.

31013301131123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163298757.

The product of its (nonzero) digits is 486, while the sum is 23.

Adding to 31013301131123 its reverse (32113110331013), we get a palindrome (63126411462136).

The spelling of 31013301131123 in words is "thirty-one trillion, thirteen billion, three hundred one million, one hundred thirty-one thousand, one hundred twenty-three".

Divisors: 1 179 1061 189919 163297517 29230255543 173258665537 31013301131123