Search a number
-
+
1131331441111 = 3978629330247
BaseRepresentation
bin10000011101101000100…
…110111101000111010111
311000011011102200212221121
4100131220212331013113
5122013431322103421
62223420531024411
7144510306403624
oct20355046750727
94004142625847
101131331441111
113a6882117483
1216331473b107
13828b7c66241
143ca8469934b
151e66642ad41
hex107689bd1d7

1131331441111 has 8 divisors (see below), whose sum is σ = 1134316015520. Its totient is φ = 1128347545248.

The previous prime is 1131331441069. The next prime is 1131331441133. The reversal of 1131331441111 is 1111441331311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1131331441111 - 213 = 1131331432919 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 (1131331451111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3260590 + ... + 3590836.

It is an arithmetic number, because the mean of its divisors is an integer number (141789501940).

Almost surely, 21131331441111 is an apocalyptic number.

1131331441111 is a deficient number, since it is larger than the sum of its proper divisors (2984574409).

1131331441111 is an equidigital number, since it uses as much as digits as its factorization.

1131331441111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339273.

The product of its digits is 432, while the sum is 25.

Adding to 1131331441111 its reverse (1111441331311), we get a palindrome (2242772772422).

The spelling of 1131331441111 in words is "one trillion, one hundred thirty-one billion, three hundred thirty-one million, four hundred forty-one thousand, one hundred eleven".

Divisors: 1 397 8629 330247 3425713 131108059 2849701363 1131331441111