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431401011441 = 3143800337147
BaseRepresentation
bin1100100011100011000…
…00010000100011110001
31112020112002010000202120
412101301200100203301
524032002124331231
6530103300504453
743111343044221
oct6216140204361
91466462100676
10431401011441
11156a57696024
126b7373ab129
13318b104739a
1416c46704081
15b34d516d96
hex64718108f1

431401011441 has 4 divisors (see below), whose sum is σ = 575201348592. Its totient is φ = 287600674292.

The previous prime is 431401011383. The next prime is 431401011473. The reversal of 431401011441 is 144110104134.

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 431401011441 - 226 = 431333902577 is a prime.

It is a super-2 number, since 2×4314010114412 (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (431401011641) 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, 71900168571 + ... + 71900168576.

It is an arithmetic number, because the mean of its divisors is an integer number (143800337148).

Almost surely, 2431401011441 is an apocalyptic number.

It is an amenable number.

431401011441 is a deficient number, since it is larger than the sum of its proper divisors (143800337151).

431401011441 is a wasteful number, since it uses less digits than its factorization.

431401011441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143800337150.

The product of its (nonzero) digits is 768, while the sum is 24.

Adding to 431401011441 its reverse (144110104134), we get a palindrome (575511115575).

The spelling of 431401011441 in words is "four hundred thirty-one billion, four hundred one million, eleven thousand, four hundred forty-one".

Divisors: 1 3 143800337147 431401011441