31232133102242 has 8 divisors (see below), whose sum is σ = 48114367211676. Its totient is φ = 15194010698352.

The previous prime is 31232133102241. The next prime is 31232133102281. The reversal of 31232133102242 is 24220133123213.

It can be written as a sum of positive squares in 2 ways, for example, as 29549454555481 + 1682678546761 = 5435941^2 + 1297181^2 .

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

It is a super-2 number, since 2×31232133102242² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (31232133102241) 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, 211027926293 + ... + 211027926440.

Almost surely, 2^{31232133102242} is an apocalyptic number.

31232133102242 is a deficient number, since it is larger than the sum of its proper divisors (16882234109434).

31232133102242 is a wasteful number, since it uses less digits than its factorization.

31232133102242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422055852772.

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 31232133102242 its reverse (24220133123213), we get a palindrome (55452266225455).

The spelling of 31232133102242 in words is "thirty-one trillion, two hundred thirty-two billion, one hundred thirty-three million, one hundred two thousand, two hundred forty-two".