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10231131101 = 23444831787
BaseRepresentation
bin10011000011101001…
…01010101111011101
3222102000200022101112
421201310222233131
5131423132143401
64411120351405
7511352115362
oct114164525735
928360608345
1010231131101
114380230254
121b96475565
13c70854539
146d0b2a469
153ed3163bb
hex261d2abdd

10231131101 has 4 divisors (see below), whose sum is σ = 10675962912. Its totient is φ = 9786299292.

The previous prime is 10231131091. The next prime is 10231131107. The reversal of 10231131101 is 10113113201.

It is a happy number.

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 10231131101 - 230 = 9157389277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10231131107) 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 3 ways as a sum of consecutive naturals, for example, 222415871 + ... + 222415916.

It is an arithmetic number, because the mean of its divisors is an integer number (2668990728).

Almost surely, 210231131101 is an apocalyptic number.

It is an amenable number.

10231131101 is a deficient number, since it is larger than the sum of its proper divisors (444831811).

10231131101 is an equidigital number, since it uses as much as digits as its factorization.

10231131101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444831810.

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

Adding to 10231131101 its reverse (10113113201), we get a palindrome (20344244302).

The spelling of 10231131101 in words is "ten billion, two hundred thirty-one million, one hundred thirty-one thousand, one hundred one".

Divisors: 1 23 444831787 10231131101