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103031132231 = 536729014681
BaseRepresentation
bin101111111110100100…
…0100101000001000111
3100211221102020210222102
41133331020211001013
53142001432212411
6115155402422315
710305131113466
oct1377510450107
9324842223872
10103031132231
113a77142a665
1217b74b0199b
13993c7a4401
144db584c9dd
152a303ccd3b
hex17fd225047

103031132231 has 8 divisors (see below), whose sum is σ = 106541912304. Its totient is φ = 99578381760.

The previous prime is 103031132207. The next prime is 103031132233. The reversal of 103031132231 is 132231130301.

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 103031132231 - 222 = 103026937927 is a prime.

It is a super-2 number, since 2×1030311322312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103031132233) 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, 14503790 + ... + 14510891.

It is an arithmetic number, because the mean of its divisors is an integer number (13317739038).

Almost surely, 2103031132231 is an apocalyptic number.

103031132231 is a deficient number, since it is larger than the sum of its proper divisors (3510780073).

103031132231 is an equidigital number, since it uses as much as digits as its factorization.

103031132231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29014801.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 103031132231 its reverse (132231130301), we get a palindrome (235262262532).

The spelling of 103031132231 in words is "one hundred three billion, thirty-one million, one hundred thirty-two thousand, two hundred thirty-one".

Divisors: 1 53 67 3551 29014681 1537778093 1943983627 103031132231