231021404102 has 8 divisors (see below), whose sum is σ = 361598719536. Its totient is φ = 110488497592.

The previous prime is 231021404039. The next prime is 231021404123. The reversal of 231021404102 is 201404120132.

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, 2511102173 + ... + 2511102264.

It is an arithmetic number, because the mean of its divisors is an integer number (45199839942).

Almost surely, 2^231021404102 is an apocalyptic number.

231021404102 is a deficient number, since it is larger than the sum of its proper divisors (130577315434).

231021404102 is a wasteful number, since it uses less digits than its factorization.

231021404102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5022204462.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 231021404102 its reverse (201404120132), we get a palindrome (432425524234).

The spelling of 231021404102 in words is "two hundred thirty-one billion, twenty-one million, four hundred four thousand, one hundred two".