131345502433404 has 24 divisors (see below), whose sum is σ = 350254673155968. Its totient is φ = 37527286409520.

The previous prime is 131345502433391. The next prime is 131345502433451. The reversal of 131345502433404 is 404334205543131.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 781818466782 + ... + 781818466949.

It is an arithmetic number, because the mean of its divisors is an integer number (14593944714832).

Almost surely, 2^{131345502433404} is an apocalyptic number.

131345502433404 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

131345502433404 is an abundant number, since it is smaller than the sum of its proper divisors (218909170722564).

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

131345502433404 is a wasteful number, since it uses less digits than its factorization.

131345502433404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1563636933745 (or 1563636933743 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 42.

Adding to 131345502433404 its reverse (404334205543131), we get a palindrome (535679707976535).

The spelling of 131345502433404 in words is "one hundred thirty-one trillion, three hundred forty-five billion, five hundred two million, four hundred thirty-three thousand, four hundred four".