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3123131132131 = 10336782620331
BaseRepresentation
bin101101011100101001000…
…111110010100011100011
3102001120100101012212202021
4231130221013302203203
5402132133032212011
610350425135002311
7441432046416433
oct55345107624343
912046311185667
103123131132131
11aa45701167aa
1242534a369397
1319868262267a
14ab23601c2c3
155638e542471
hex2d7291f28e3

3123131132131 has 8 divisors (see below), whose sum is σ = 3162045346304. Its totient is φ = 3084382159560.

The previous prime is 3123131132111. The next prime is 3123131132161. The reversal of 3123131132131 is 1312311313213.

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 3123131132131 - 233 = 3114541197539 is a prime.

It is a super-2 number, since 2×31231311321312 (a number of 26 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 = 3123131132096 and 3123131132105.

It is not an unprimeable number, because it can be changed into a prime (3123131132111) 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, 41272365 + ... + 41347966.

It is an arithmetic number, because the mean of its divisors is an integer number (395255668288).

Almost surely, 23123131132131 is an apocalyptic number.

3123131132131 is a deficient number, since it is larger than the sum of its proper divisors (38914214173).

3123131132131 is a wasteful number, since it uses less digits than its factorization.

3123131132131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82620801.

The product of its digits is 972, while the sum is 25.

Adding to 3123131132131 its reverse (1312311313213), we get a palindrome (4435442445344).

The spelling of 3123131132131 in words is "three trillion, one hundred twenty-three billion, one hundred thirty-one million, one hundred thirty-two thousand, one hundred thirty-one".

Divisors: 1 103 367 37801 82620331 8509894093 30321661477 3123131132131