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101431532441 = 251404109691
BaseRepresentation
bin101111001110111001…
…0100101101110011001
3100200210221022201120202
41132131302211232121
53130212433014231
6114332541431545
710220365541321
oct1363562455631
9320727281522
10101431532441
113a020501668
12177a926b5b5
13974627b865
144ca3220281
152989c5c5cb
hex179dca5b99

101431532441 has 4 divisors (see below), whose sum is σ = 101835642384. Its totient is φ = 101027422500.

The previous prime is 101431532437. The next prime is 101431532459. The reversal of 101431532441 is 144235134101.

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 101431532441 - 22 = 101431532437 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (101431532401) 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, 202054595 + ... + 202055096.

It is an arithmetic number, because the mean of its divisors is an integer number (25458910596).

Almost surely, 2101431532441 is an apocalyptic number.

It is an amenable number.

101431532441 is a deficient number, since it is larger than the sum of its proper divisors (404109943).

101431532441 is an equidigital number, since it uses as much as digits as its factorization.

101431532441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404109942.

The product of its (nonzero) digits is 5760, while the sum is 29.

Adding to 101431532441 its reverse (144235134101), we get a palindrome (245666666542).

The spelling of 101431532441 in words is "one hundred one billion, four hundred thirty-one million, five hundred thirty-two thousand, four hundred forty-one".

Divisors: 1 251 404109691 101431532441