131121111243304 has 32 divisors (see below), whose sum is σ = 302587179793920. Its totient is φ = 51872087964096.

The previous prime is 131121111243263. The next prime is 131121111243337. The reversal of 131121111243304 is 403342111121131.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90055707544 + ... + 90055708999.

It is an arithmetic number, because the mean of its divisors is an integer number (9455849368560).

Almost surely, 2^{131121111243304} is an apocalyptic number.

131121111243304 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

131121111243304 is an abundant number, since it is smaller than the sum of its proper divisors (171466068550616).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131121111243304 is a wasteful number, since it uses less digits than its factorization.

131121111243304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180111416569 (or 180111416565 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

Adding to 131121111243304 its reverse (403342111121131), we get a palindrome (534463222364435).

The spelling of 131121111243304 in words is "one hundred thirty-one trillion, one hundred twenty-one billion, one hundred eleven million, two hundred forty-three thousand, three hundred four".