31233220113342 has 16 divisors (see below), whose sum is σ = 67271551013520. Its totient is φ = 9610221573312.

The previous prime is 31233220113281. The next prime is 31233220113367. The reversal of 31233220113342 is 24331102233213.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 200212949367 + ... + 200212949522.

It is an arithmetic number, because the mean of its divisors is an integer number (4204471938345).

Almost surely, 2^{31233220113342} is an apocalyptic number.

31233220113342 is an abundant number, since it is smaller than the sum of its proper divisors (36038330900178).

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

31233220113342 is a wasteful number, since it uses less digits than its factorization.

31233220113342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400425898907.

The product of its (nonzero) digits is 15552, while the sum is 30.

Adding to 31233220113342 its reverse (24331102233213), we get a palindrome (55564322346555).

The spelling of 31233220113342 in words is "thirty-one trillion, two hundred thirty-three billion, two hundred twenty million, one hundred thirteen thousand, three hundred forty-two".