421231131742 has 8 divisors (see below), whose sum is σ = 632112521616. Its totient is φ = 210526957872.

The previous prime is 421231131721. The next prime is 421231131767. The reversal of 421231131742 is 247131132124.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44298058 + ... + 44307565.

It is an arithmetic number, because the mean of its divisors is an integer number (79014065202).

Almost surely, 2^421231131742 is an apocalyptic number.

421231131742 is a deficient number, since it is larger than the sum of its proper divisors (210881389874).

421231131742 is a wasteful number, since it uses less digits than its factorization.

421231131742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88608002.

The product of its digits is 8064, while the sum is 31.

Adding to 421231131742 its reverse (247131132124), we get a palindrome (668362263866).

The spelling of 421231131742 in words is "four hundred twenty-one billion, two hundred thirty-one million, one hundred thirty-one thousand, seven hundred forty-two".