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32131043441 = 74590149063
BaseRepresentation
bin11101111011001010…
…001101000001110001
310001221021020010101222
4131323022031001301
51011301021342231
622432155434425
72215144235330
oct357312150161
9101837203358
1032131043441
1112699155562
126288755a15
133050a31b53
1417ab495d17
15c80c7427b
hex77b28d071

32131043441 has 4 divisors (see below), whose sum is σ = 36721192512. Its totient is φ = 27540894372.

The previous prime is 32131043407. The next prime is 32131043473. The reversal of 32131043441 is 14434013123.

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-32131043441 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 32131043441.

It is not an unprimeable number, because it can be changed into a prime (32131043491) 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, 2295074525 + ... + 2295074538.

It is an arithmetic number, because the mean of its divisors is an integer number (9180298128).

Almost surely, 232131043441 is an apocalyptic number.

It is an amenable number.

32131043441 is a deficient number, since it is larger than the sum of its proper divisors (4590149071).

32131043441 is an equidigital number, since it uses as much as digits as its factorization.

32131043441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4590149070.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 32131043441 its reverse (14434013123), we get a palindrome (46565056564).

The spelling of 32131043441 in words is "thirty-two billion, one hundred thirty-one million, forty-three thousand, four hundred forty-one".

Divisors: 1 7 4590149063 32131043441