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10031223012013 = 71433031858859
BaseRepresentation
bin1001000111111001001101…
…1110111111101010101101
31022111222100011211121021201
42101332103132333222231
52303322421042341023
633200140310325501
72053506025513660
oct221762336775255
938458304747251
1010031223012013
113218243971085
121160150359891
13579c2ba11168
14269729b776d7
15125e06100bad
hex91f937bfaad

10031223012013 has 4 divisors (see below), whose sum is σ = 11464254870880. Its totient is φ = 8598191153148.

The previous prime is 10031223011959. The next prime is 10031223012029. The reversal of 10031223012013 is 31021032213001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10031223012013 - 229 = 10030686141101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10031223012413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 716515929423 + ... + 716515929436.

It is an arithmetic number, because the mean of its divisors is an integer number (2866063717720).

Almost surely, 210031223012013 is an apocalyptic number.

It is an amenable number.

10031223012013 is a deficient number, since it is larger than the sum of its proper divisors (1433031858867).

10031223012013 is an equidigital number, since it uses as much as digits as its factorization.

10031223012013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1433031858866.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 10031223012013 its reverse (31021032213001), we get a palindrome (41052255225014).

The spelling of 10031223012013 in words is "ten trillion, thirty-one billion, two hundred twenty-three million, twelve thousand, thirteen".

Divisors: 1 7 1433031858859 10031223012013