131323454502 has 8 divisors (see below), whose sum is σ = 262646909016. Its totient is φ = 43774484832.

The previous prime is 131323454489. The next prime is 131323454527. The reversal of 131323454502 is 205454323131.

It is a sphenic number, since it is the product of 3 distinct primes.

131323454502 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10943621203 + ... + 10943621214.

It is an arithmetic number, because the mean of its divisors is an integer number (32830863627).

Almost surely, 2^131323454502 is an apocalyptic number.

131323454502 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

131323454502 is a wasteful number, since it uses less digits than its factorization.

131323454502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21887242422.

The product of its (nonzero) digits is 43200, while the sum is 33.

Adding to 131323454502 its reverse (205454323131), we get a palindrome (336777777633).

The spelling of 131323454502 in words is "one hundred thirty-one billion, three hundred twenty-three million, four hundred fifty-four thousand, five hundred two".