231202321042 has 32 divisors (see below), whose sum is σ = 432440340480. Its totient is φ = 90065915280.

The previous prime is 231202321003. The next prime is 231202321073. The reversal of 231202321042 is 240123202132.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1007743 + ... + 1215709.

It is an arithmetic number, because the mean of its divisors is an integer number (13513760640).

Almost surely, 2^231202321042 is an apocalyptic number.

231202321042 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

231202321042 is a deficient number, since it is larger than the sum of its proper divisors (201238019438).

231202321042 is a wasteful number, since it uses less digits than its factorization.

231202321042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215206.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 231202321042 its reverse (240123202132), we get a palindrome (471325523174).

The spelling of 231202321042 in words is "two hundred thirty-one billion, two hundred two million, three hundred twenty-one thousand, forty-two".