1204404343131 has 16 divisors (see below), whose sum is σ = 1751879485440. Its totient is φ = 729934266720.

The previous prime is 1204404343127. The next prime is 1204404343139. The reversal of 1204404343131 is 1313434044021.

It is not a de Polignac number, because 1204404343131 - 2² = 1204404343127 is a prime.

It is a super-2 number, since 2×1204404343131² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1204404343139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5176701 + ... + 5404353.

It is an arithmetic number, because the mean of its divisors is an integer number (109492467840).

Almost surely, 2^{1204404343131} is an apocalyptic number.

1204404343131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1204404343131 is a deficient number, since it is larger than the sum of its proper divisors (547475142309).

1204404343131 is a wasteful number, since it uses less digits than its factorization.

1204404343131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387986.

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 1204404343131 its reverse (1313434044021), we get a palindrome (2517838387152).

The spelling of 1204404343131 in words is "one trillion, two hundred four billion, four hundred four million, three hundred forty-three thousand, one hundred thirty-one".