242031131043101 has 4 divisors (see below), whose sum is σ = 242052019216512. Its totient is φ = 242010242869692.

The previous prime is 242031131043073. The next prime is 242031131043209. The reversal of 242031131043101 is 101340131130242.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-242031131043101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242031131043001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10444069325 + ... + 10444092498.

It is an arithmetic number, because the mean of its divisors is an integer number (60513004804128).

Almost surely, 2^{242031131043101} is an apocalyptic number.

It is an amenable number.

242031131043101 is a deficient number, since it is larger than the sum of its proper divisors (20888173411).

242031131043101 is a wasteful number, since it uses less digits than its factorization.

242031131043101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20888173410.

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 242031131043101 its reverse (101340131130242), we get a palindrome (343371262173343).

The spelling of 242031131043101 in words is "two hundred forty-two trillion, thirty-one billion, one hundred thirty-one million, forty-three thousand, one hundred one".