331002140142342 has 32 divisors (see below), whose sum is σ = 664192152721152. Its totient is φ = 109969769457504.

The previous prime is 331002140142277. The next prime is 331002140142343. The reversal of 331002140142342 is 243241041200133.

It is a super-2 number, since 2×331002140142342² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331002140142343) 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, 42421228 + ... + 49614159.

It is an arithmetic number, because the mean of its divisors is an integer number (20756004772536).

Almost surely, 2^{331002140142342} is an apocalyptic number.

331002140142342 is an abundant number, since it is smaller than the sum of its proper divisors (333190012578810).

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

331002140142342 is a wasteful number, since it uses less digits than its factorization.

331002140142342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92037372.

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 331002140142342 its reverse (243241041200133), we get a palindrome (574243181342475).

The spelling of 331002140142342 in words is "three hundred thirty-one trillion, two billion, one hundred forty million, one hundred forty-two thousand, three hundred forty-two".