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124331212031 = 1314876431701
BaseRepresentation
bin111001111001010110…
…1111011110011111111
3102212220212002222102212
41303302231323303333
54014112242241111
6133041133211035
711661020602505
oct1636255736377
9385825088385
10124331212031
11488018008a4
122011a330a7b
13b955614420
146036676675
15337a35298b
hex1cf2b7bcff

124331212031 has 8 divisors (see below), whose sum is σ = 133985216064. Its totient is φ = 114690074400.

The previous prime is 124331211973. The next prime is 124331212037. The reversal of 124331212031 is 130212133421.

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 124331212031 - 214 = 124331195647 is a prime.

It is a super-2 number, since 2×1243312120312 (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 = 124331211988 and 124331212006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124331212037) 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, 3196520 + ... + 3235181.

It is an arithmetic number, because the mean of its divisors is an integer number (16748152008).

Almost surely, 2124331212031 is an apocalyptic number.

124331212031 is a deficient number, since it is larger than the sum of its proper divisors (9654004033).

124331212031 is a wasteful number, since it uses less digits than its factorization.

124331212031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6433201.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 124331212031 its reverse (130212133421), we get a palindrome (254543345452).

The spelling of 124331212031 in words is "one hundred twenty-four billion, three hundred thirty-one million, two hundred twelve thousand, thirty-one".

Divisors: 1 13 1487 19331 6431701 83612113 9563939387 124331212031