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31412244404413 = 223140862082531
BaseRepresentation
bin1110010010001101110111…
…01010110101100010111101
311010012222111022200202010201
413021012323222311202331
513104124234031420123
6150450330314003501
76421313461641265
oct711067352654275
9133188438622121
1031412244404413
11a010949061634
123633aa1116591
13146b214a11422
147a8509c347a5
15397187d855ad
hex1c91bbab58bd

31412244404413 has 4 divisors (see below), whose sum is σ = 31553106487168. Its totient is φ = 31271382321660.

The previous prime is 31412244404407. The next prime is 31412244404447. The reversal of 31412244404413 is 31440444221413.

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 31412244404413 - 233 = 31403654469821 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 (31412244464413) 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, 70431041043 + ... + 70431041488.

It is an arithmetic number, because the mean of its divisors is an integer number (7888276621792).

Almost surely, 231412244404413 is an apocalyptic number.

It is an amenable number.

31412244404413 is a deficient number, since it is larger than the sum of its proper divisors (140862082755).

31412244404413 is a wasteful number, since it uses less digits than its factorization.

31412244404413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140862082754.

The product of its (nonzero) digits is 147456, while the sum is 37.

Adding to 31412244404413 its reverse (31440444221413), we get a palindrome (62852688625826).

The spelling of 31412244404413 in words is "thirty-one trillion, four hundred twelve billion, two hundred forty-four million, four hundred four thousand, four hundred thirteen".

Divisors: 1 223 140862082531 31412244404413