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100133031131 = 714304718733
BaseRepresentation
bin101110101000001100…
…1001100110011011011
3100120110102222000122122
41131100121030303123
53120033023444011
6114000034211455
710143250502240
oct1352031146333
9316412860578
10100133031131
1139514538391
12174a6423b8b
13959a249aa3
144bbc9ad5c7
152910c663db
hex175064ccdb

100133031131 has 4 divisors (see below), whose sum is σ = 114437749872. Its totient is φ = 85828312392.

The previous prime is 100133031109. The next prime is 100133031137. The reversal of 100133031131 is 131130331001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 131130331001 = 862915196469.

It is a cyclic number.

It is not a de Polignac number, because 100133031131 - 214 = 100133014747 is a prime.

It is a super-2 number, since 2×1001330311312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100133031137) 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, 7152359360 + ... + 7152359373.

It is an arithmetic number, because the mean of its divisors is an integer number (28609437468).

Almost surely, 2100133031131 is an apocalyptic number.

100133031131 is a deficient number, since it is larger than the sum of its proper divisors (14304718741).

100133031131 is an equidigital number, since it uses as much as digits as its factorization.

100133031131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14304718740.

The product of its (nonzero) digits is 81, while the sum is 17.

Adding to 100133031131 its reverse (131130331001), we get a palindrome (231263362132).

The spelling of 100133031131 in words is "one hundred billion, one hundred thirty-three million, thirty-one thousand, one hundred thirty-one".

Divisors: 1 7 14304718733 100133031131