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3121432413 = 31194588861
BaseRepresentation
bin1011101000001101…
…0100011101011101
322001112112012021220
42322003110131131
522343041314123
61233423043553
7140231511021
oct27203243535
98045465256
103121432413
111361a70410
127314405b9
133a98c0438
142187b6381
1513407dce3
hexba0d475d

3121432413 has 8 divisors (see below), whose sum is σ = 4540265376. Its totient is φ = 1891777200.

The previous prime is 3121432411. The next prime is 3121432417. The reversal of 3121432413 is 3142341213.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3121432413 - 21 = 3121432411 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3121432411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47294398 + ... + 47294463.

It is an arithmetic number, because the mean of its divisors is an integer number (567533172).

Almost surely, 23121432413 is an apocalyptic number.

3121432413 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

3121432413 is a deficient number, since it is larger than the sum of its proper divisors (1418832963).

3121432413 is a wasteful number, since it uses less digits than its factorization.

3121432413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94588875.

The product of its digits is 1728, while the sum is 24.

The square root of 3121432413 is about 55869.7808569176. The cubic root of 3121432413 is about 1461.4523005789.

Adding to 3121432413 its reverse (3142341213), we get a palindrome (6263773626).

It can be divided in two parts, 3121 and 432413, that added together give a palindrome (435534).

The spelling of 3121432413 in words is "three billion, one hundred twenty-one million, four hundred thirty-two thousand, four hundred thirteen".

Divisors: 1 3 11 33 94588861 283766583 1040477471 3121432413