131003440434102 has 32 divisors (see below), whose sum is σ = 269669332035072. Its totient is φ = 42395836389984.

The previous prime is 131003440434073. The next prime is 131003440434103. The reversal of 131003440434102 is 201434044300131.

It is a self number, because there is not a number n which added to its sum of digits gives 131003440434102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131003440434103) 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, 637160268 + ... + 637365839.

It is an arithmetic number, because the mean of its divisors is an integer number (8427166626096).

Almost surely, 2^{131003440434102} is an apocalyptic number.

131003440434102 is an abundant number, since it is smaller than the sum of its proper divisors (138665891600970).

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

131003440434102 is a wasteful number, since it uses less digits than its factorization.

131003440434102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1274526612.

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

Adding to 131003440434102 its reverse (201434044300131), we get a palindrome (332437484734233).

The spelling of 131003440434102 in words is "one hundred thirty-one trillion, three billion, four hundred forty million, four hundred thirty-four thousand, one hundred two".