31242243133102 has 8 divisors (see below), whose sum is σ = 46877770908216. Its totient is φ = 15616319497032.

The previous prime is 31242243133051. The next prime is 31242243133103. The reversal of 31242243133102 is 20133134224213.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31242243133103) 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, 2401026628 + ... + 2401039639.

It is an arithmetic number, because the mean of its divisors is an integer number (5859721363527).

Almost surely, 2^{31242243133102} is an apocalyptic number.

31242243133102 is a deficient number, since it is larger than the sum of its proper divisors (15635527775114).

31242243133102 is a wasteful number, since it uses less digits than its factorization.

31242243133102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4802069522.

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 31242243133102 its reverse (20133134224213), we get a palindrome (51375377357315).

The spelling of 31242243133102 in words is "thirty-one trillion, two hundred forty-two billion, two hundred forty-three million, one hundred thirty-three thousand, one hundred two".