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10031111310031 = 71798005675427
BaseRepresentation
bin1001000111111000110011…
…0100111000101011001111
31022111222001101122112222021
42101332030310320223033
52303322203443410111
633200121240231011
72053503201203140
oct221761464705317
938458041575867
1010031111310031
113218196907799
12116011aa6b467
13579c11831206
14269718dbbac7
15125deb3d8d71
hex91f8cd38acf

10031111310031 has 8 divisors (see below), whose sum is σ = 11528172616320. Its totient is φ = 8550061354968.

The previous prime is 10031111310023. The next prime is 10031111310041. The reversal of 10031111310031 is 13001311113001.

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

It is not a de Polignac number, because 10031111310031 - 23 = 10031111310023 is a prime.

It is a super-2 number, since 2×100311113100312 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10031111309987 and 10031111310014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10031111310041) 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, 4002836461 + ... + 4002838966.

It is an arithmetic number, because the mean of its divisors is an integer number (1441021577040).

Almost surely, 210031111310031 is an apocalyptic number.

10031111310031 is a deficient number, since it is larger than the sum of its proper divisors (1497061306289).

10031111310031 is an equidigital number, since it uses as much as digits as its factorization.

10031111310031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8005675613.

The product of its (nonzero) digits is 27, while the sum is 16.

Adding to 10031111310031 its reverse (13001311113001), we get a palindrome (23032422423032).

The spelling of 10031111310031 in words is "ten trillion, thirty-one billion, one hundred eleven million, three hundred ten thousand, thirty-one".

Divisors: 1 7 179 1253 8005675427 56039727989 1433015901433 10031111310031