13131244432554 has 16 divisors (see below), whose sum is σ = 26302220323680. Its totient is φ = 4370459567760.

The previous prime is 13131244432519. The next prime is 13131244432597. The reversal of 13131244432554 is 45523444213131.

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, 1655473144 + ... + 1655481075.

It is an arithmetic number, because the mean of its divisors is an integer number (1643888770230).

Almost surely, 2^{13131244432554} is an apocalyptic number.

13131244432554 is an abundant number, since it is smaller than the sum of its proper divisors (13170975891126).

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

13131244432554 is a wasteful number, since it uses less digits than its factorization.

13131244432554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3310954885.

The product of its digits is 691200, while the sum is 42.

Adding to 13131244432554 its reverse (45523444213131), we get a palindrome (58654688645685).

The spelling of 13131244432554 in words is "thirteen trillion, one hundred thirty-one billion, two hundred forty-four million, four hundred thirty-two thousand, five hundred fifty-four".