Search a number
-
+
103401431 = 714771633
BaseRepresentation
bin1100010100111…
…00011111010111
321012120100002122
412022130133113
5202432321211
614132130155
72363616620
oct612343727
9235510078
10103401431
1153405031
122a76695b
1318564aa3
14da38a47
1591276db
hex629c7d7

103401431 has 4 divisors (see below), whose sum is σ = 118173072. Its totient is φ = 88629792.

The previous prime is 103401427. The next prime is 103401437. The reversal of 103401431 is 134104301.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 103401431 - 22 = 103401427 is a prime.

It is a super-2 number, since 2×1034014312 = 21383711865695522, which 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 (103401437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7385810 + ... + 7385823.

It is an arithmetic number, because the mean of its divisors is an integer number (29543268).

Almost surely, 2103401431 is an apocalyptic number.

103401431 is a deficient number, since it is larger than the sum of its proper divisors (14771641).

103401431 is an equidigital number, since it uses as much as digits as its factorization.

103401431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14771640.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 103401431 is about 10168.6494186790. The cubic root of 103401431 is about 469.3629985235.

Adding to 103401431 its reverse (134104301), we get a palindrome (237505732).

The spelling of 103401431 in words is "one hundred three million, four hundred one thousand, four hundred thirty-one".

Divisors: 1 7 14771633 103401431