13131521040342 has 16 divisors (see below), whose sum is σ = 26281681588080. Its totient is φ = 4374067095552.

The previous prime is 13131521040317. The next prime is 13131521040367. The reversal of 13131521040342 is 24304012513131.

It is an interprime number because it is at equal distance from previous prime (13131521040317) and next prime (13131521040367).

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, 776636983 + ... + 776653890.

It is an arithmetic number, because the mean of its divisors is an integer number (1642605099255).

Almost surely, 2^{13131521040342} is an apocalyptic number.

13131521040342 is an abundant number, since it is smaller than the sum of its proper divisors (13150160547738).

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

13131521040342 is a wasteful number, since it uses less digits than its factorization.

13131521040342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1553292287.

The product of its (nonzero) digits is 8640, while the sum is 30.

Adding to 13131521040342 its reverse (24304012513131), we get a palindrome (37435533553473).

The spelling of 13131521040342 in words is "thirteen trillion, one hundred thirty-one billion, five hundred twenty-one million, forty thousand, three hundred forty-two".