13131242142 has 16 divisors (see below), whose sum is σ = 26268786192. Its totient is φ = 4376030400.

The previous prime is 13131242101. The next prime is 13131242143. The reversal of 13131242142 is 24124213131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13131242143) 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, 235273 + ... + 285684.

It is an arithmetic number, because the mean of its divisors is an integer number (1641799137).

Almost surely, 2^13131242142 is an apocalyptic number.

13131242142 is an abundant number, since it is smaller than the sum of its proper divisors (13137544050).

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

13131242142 is a wasteful number, since it uses less digits than its factorization.

13131242142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525163.

The product of its digits is 1152, while the sum is 24.

Adding to 13131242142 its reverse (24124213131), we get a palindrome (37255455273).

The spelling of 13131242142 in words is "thirteen billion, one hundred thirty-one million, two hundred forty-two thousand, one hundred forty-two".