Search a number
-
+
31244303410409 = 89351059588881
BaseRepresentation
bin1110001101010101000011…
…00110110010010011101001
311002121221000020002022020202
413012222201212302103221
513043401313133113114
6150241233531401545
76403216652022125
oct706524146622351
9132557006068222
1031244303410409
119a566a8813111
123607431bb32b5
13145842c5210ab
147a0337816585
15392b091a5cde
hex1c6aa19b24e9

31244303410409 has 4 divisors (see below), whose sum is σ = 31595362999380. Its totient is φ = 30893243821440.

The previous prime is 31244303410403. The next prime is 31244303410427. The reversal of 31244303410409 is 90401430344213.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 21542853879184 + 9701449531225 = 4641428^2 + 3114715^2 .

It is a cyclic number.

It is not a de Polignac number, because 31244303410409 - 24 = 31244303410393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31244303410403) 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, 175529794352 + ... + 175529794529.

It is an arithmetic number, because the mean of its divisors is an integer number (7898840749845).

Almost surely, 231244303410409 is an apocalyptic number.

It is an amenable number.

31244303410409 is a deficient number, since it is larger than the sum of its proper divisors (351059588971).

31244303410409 is an equidigital number, since it uses as much as digits as its factorization.

31244303410409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351059588970.

The product of its (nonzero) digits is 124416, while the sum is 38.

The spelling of 31244303410409 in words is "thirty-one trillion, two hundred forty-four billion, three hundred three million, four hundred ten thousand, four hundred nine".

Divisors: 1 89 351059588881 31244303410409