202140313312342 has 4 divisors (see below), whose sum is σ = 303210469968516. Its totient is φ = 101070156656170.

The previous prime is 202140313312337. The next prime is 202140313312349. The reversal of 202140313312342 is 243213313041202.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202140313312349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50535078328084 + ... + 50535078328087.

It is an arithmetic number, because the mean of its divisors is an integer number (75802617492129).

Almost surely, 2^{202140313312342} is an apocalyptic number.

202140313312342 is a deficient number, since it is larger than the sum of its proper divisors (101070156656174).

202140313312342 is a wasteful number, since it uses less digits than its factorization.

202140313312342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101070156656173.

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

Adding to 202140313312342 its reverse (243213313041202), we get a palindrome (445353626353544).

The spelling of 202140313312342 in words is "two hundred two trillion, one hundred forty billion, three hundred thirteen million, three hundred twelve thousand, three hundred forty-two".