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101310121031 = 797114905123
BaseRepresentation
bin101111001011010001…
…1011100010001000111
3100200111110212101102212
41132112203130101013
53124440342333111
6114312523254035
710214362551230
oct1362643342107
9320443771385
10101310121031
1139a68a16459
121777467a31b
13972707c3a2
144c91058087
15297e27898b
hex17968dc447

101310121031 has 8 divisors (see below), whose sum is σ = 115902244224. Its totient is φ = 86747810040.

The previous prime is 101310121019. The next prime is 101310121037. The reversal of 101310121031 is 130121013101.

It is a happy number.

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 101310121031 - 210 = 101310120007 is a prime.

It is a super-2 number, since 2×1013101210312 (a number of 23 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 = 101310120997 and 101310121015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101310121037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7445765 + ... + 7459358.

It is an arithmetic number, because the mean of its divisors is an integer number (14487780528).

Almost surely, 2101310121031 is an apocalyptic number.

101310121031 is a deficient number, since it is larger than the sum of its proper divisors (14592123193).

101310121031 is an equidigital number, since it uses as much as digits as its factorization.

101310121031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14906101.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 101310121031 its reverse (130121013101), we get a palindrome (231431134132).

The spelling of 101310121031 in words is "one hundred one billion, three hundred ten million, one hundred twenty-one thousand, thirty-one".

Divisors: 1 7 971 6797 14905123 104335861 14472874433 101310121031