131142042330 has 64 divisors (see below), whose sum is σ = 339175831680. Its totient is φ = 32259776256.

The previous prime is 131142042329. The next prime is 131142042331. The reversal of 131142042330 is 33240241131.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (131142042329) and next prime (131142042331).

It is a self number, because there is not a number n which added to its sum of digits gives 131142042330.

It is not an unprimeable number, because it can be changed into a prime (131142042331) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 483576 + ... + 704364.

It is an arithmetic number, because the mean of its divisors is an integer number (5299622370).

Almost surely, 2^131142042330 is an apocalyptic number.

131142042330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131142042330 is an abundant number, since it is smaller than the sum of its proper divisors (208033789350).

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

131142042330 is a wasteful number, since it uses less digits than its factorization.

131142042330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222335.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 131142042330 its reverse (33240241131), we get a palindrome (164382283461).

The spelling of 131142042330 in words is "one hundred thirty-one billion, one hundred forty-two million, forty-two thousand, three hundred thirty".