131000032345004 has 24 divisors (see below), whose sum is σ = 229434546259968. Its totient is φ = 65447314232400.

The previous prime is 131000032345001. The next prime is 131000032345019. The reversal of 131000032345004 is 400543230000131.

It is a super-2 number, since 2×131000032345004² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (131000032345001) 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, 54903749 + ... + 57240035.

It is an arithmetic number, because the mean of its divisors is an integer number (9559772760832).

Almost surely, 2^{131000032345004} is an apocalyptic number.

It is an amenable number.

131000032345004 is a deficient number, since it is larger than the sum of its proper divisors (98434513914964).

131000032345004 is a wasteful number, since it uses less digits than its factorization.

131000032345004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2347565 (or 2347563 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 131000032345004 its reverse (400543230000131), we get a palindrome (531543262345135).

The spelling of 131000032345004 in words is "one hundred thirty-one trillion, thirty-two million, three hundred forty-five thousand, four".