Search a number
-
+
31460113 = 231367831
BaseRepresentation
bin111100000000…
…0101100010001
32012012100011101
41320000230101
531023210423
63042144401
7531256306
oct170005421
965170141
1031460113
11168384a3
12a652101
136696769
14426d0ad
152b667ad
hex1e00b11

31460113 has 4 divisors (see below), whose sum is σ = 32827968. Its totient is φ = 30092260.

The previous prime is 31460063. The next prime is 31460129. The reversal of 31460113 is 31106413.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 31460113 - 217 = 31329041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31460173) 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, 683893 + ... + 683938.

It is an arithmetic number, because the mean of its divisors is an integer number (8206992).

Almost surely, 231460113 is an apocalyptic number.

It is an amenable number.

31460113 is a deficient number, since it is larger than the sum of its proper divisors (1367855).

31460113 is a wasteful number, since it uses less digits than its factorization.

31460113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1367854.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 31460113 is about 5608.9315381809. The cubic root of 31460113 is about 315.6846216551.

Adding to 31460113 its reverse (31106413), we get a palindrome (62566526).

The spelling of 31460113 in words is "thirty-one million, four hundred sixty thousand, one hundred thirteen".

Divisors: 1 23 1367831 31460113