1331221403134 has 8 divisors (see below), whose sum is σ = 2282093833968. Its totient is φ = 570523458480.

The previous prime is 1331221403131. The next prime is 1331221403167. The reversal of 1331221403134 is 4313041221331.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331221403131) 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, 47543621527 + ... + 47543621554.

It is an arithmetic number, because the mean of its divisors is an integer number (285261729246).

Almost surely, 2^{1331221403134} is an apocalyptic number.

1331221403134 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1331221403134 is a deficient number, since it is larger than the sum of its proper divisors (950872430834).

1331221403134 is an equidigital number, since it uses as much as digits as its factorization.

1331221403134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95087243090.

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 1331221403134 its reverse (4313041221331), we get a palindrome (5644262624465).

The spelling of 1331221403134 in words is "one trillion, three hundred thirty-one billion, two hundred twenty-one million, four hundred three thousand, one hundred thirty-four".