402331243102 has 4 divisors (see below), whose sum is σ = 603496864656. Its totient is φ = 201165621550.

The previous prime is 402331243079. The next prime is 402331243103. The reversal of 402331243102 is 201342133204.

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 (402331243103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100582810774 + ... + 100582810777.

It is an arithmetic number, because the mean of its divisors is an integer number (150874216164).

Almost surely, 2^402331243102 is an apocalyptic number.

402331243102 is a deficient number, since it is larger than the sum of its proper divisors (201165621554).

402331243102 is a wasteful number, since it uses less digits than its factorization.

402331243102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201165621553.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 402331243102 its reverse (201342133204), we get a palindrome (603673376306).

The spelling of 402331243102 in words is "four hundred two billion, three hundred thirty-one million, two hundred forty-three thousand, one hundred two".