351231540042 has 32 divisors (see below), whose sum is σ = 748776312000. Its totient is φ = 109450750208.

The previous prime is 351231539963. The next prime is 351231540047. The reversal of 351231540042 is 240045132153.

It is a junction number, because it is equal to n+sod(n) for n = 351231539991 and 351231540009.

It is not an unprimeable number, because it can be changed into a prime (351231540047) 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, 11539992 + ... + 11570387.

It is an arithmetic number, because the mean of its divisors is an integer number (23399259750).

Almost surely, 2^351231540042 is an apocalyptic number.

351231540042 is an abundant number, since it is smaller than the sum of its proper divisors (397544771958).

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

351231540042 is a wasteful number, since it uses less digits than its factorization.

351231540042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23110550.

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 351231540042 its reverse (240045132153), we get a palindrome (591276672195).

The spelling of 351231540042 in words is "three hundred fifty-one billion, two hundred thirty-one million, five hundred forty thousand, forty-two".