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101323313031 = 31943113365837
BaseRepresentation
bin101111001011101010…
…1110000111110000111
3100200112101200121110110
41132113111300332013
53130002232004111
6114314114124103
710214612643663
oct1362725607607
9320471617413
10101323313031
1139a75406836
1217778b80633
139729a1aac5
144c92acd8a3
1529804d25a6
hex1797570f87

101323313031 has 32 divisors (see below), whose sum is σ = 146803472640. Its totient is φ = 61952131584.

The previous prime is 101323313027. The next prime is 101323313033. The reversal of 101323313031 is 130313323101.

It is not a de Polignac number, because 101323313031 - 22 = 101323313027 is a prime.

It is a super-2 number, since 2×1013233130312 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 101323312989 and 101323313007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101323313033) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 94045 + ... + 459881.

It is an arithmetic number, because the mean of its divisors is an integer number (4587608520).

Almost surely, 2101323313031 is an apocalyptic number.

101323313031 is a deficient number, since it is larger than the sum of its proper divisors (45480159609).

101323313031 is a wasteful number, since it uses less digits than its factorization.

101323313031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366015.

The product of its (nonzero) digits is 486, while the sum is 21.

Adding to 101323313031 its reverse (130313323101), we get a palindrome (231636636132).

The spelling of 101323313031 in words is "one hundred one billion, three hundred twenty-three million, three hundred thirteen thousand, thirty-one".

Divisors: 1 3 19 43 57 113 129 339 817 2147 2451 4859 6441 14577 92321 276963 365837 1097511 6950903 15730991 20852709 41339581 47192973 124018743 298888829 785452039 896666487 1777601983 2356356117 5332805949 33774437677 101323313031