101531437063242 has 32 divisors (see below), whose sum is σ = 206787919529664. Its totient is φ = 33225101270400.

The previous prime is 101531437063207. The next prime is 101531437063247. The reversal of 101531437063242 is 242360734135101.

It is a junction number, because it is equal to n+sod(n) for n = 101531437063194 and 101531437063203.

It is not an unprimeable number, because it can be changed into a prime (101531437063247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 266036088 + ... + 266417459.

It is an arithmetic number, because the mean of its divisors is an integer number (6462122485302).

Almost surely, 2^{101531437063242} is an apocalyptic number.

101531437063242 is an abundant number, since it is smaller than the sum of its proper divisors (105256482466422).

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

101531437063242 is a wasteful number, since it uses less digits than its factorization.

101531437063242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532454134.

The product of its (nonzero) digits is 362880, while the sum is 42.

The spelling of 101531437063242 in words is "one hundred one trillion, five hundred thirty-one billion, four hundred thirty-seven million, sixty-three thousand, two hundred forty-two".