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31411043413 = 46691672743
BaseRepresentation
bin11101010000001111…
…100111110001010101
310000002002102100001021
4131100033213301111
51003312211342123
622232515401141
72161252315021
oct352017476125
9100062370037
1031411043413
1112359795912
1261075b31b1
132c6780c329
14173d9d3381
15c3c950c5d
hex7503e7c55

31411043413 has 4 divisors (see below), whose sum is σ = 31411762848. Its totient is φ = 31410323980.

The previous prime is 31411043359. The next prime is 31411043449. The reversal of 31411043413 is 31434011413.

It is a happy number.

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 a de Polignac number, because none of the positive numbers 2k-31411043413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31411043483) 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, 289681 + ... + 383062.

It is an arithmetic number, because the mean of its divisors is an integer number (7852940712).

Almost surely, 231411043413 is an apocalyptic number.

It is an amenable number.

31411043413 is a deficient number, since it is larger than the sum of its proper divisors (719435).

31411043413 is an equidigital number, since it uses as much as digits as its factorization.

31411043413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 719434.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 31411043413 its reverse (31434011413), we get a palindrome (62845054826).

The spelling of 31411043413 in words is "thirty-one billion, four hundred eleven million, forty-three thousand, four hundred thirteen".

Divisors: 1 46691 672743 31411043413