231243412421010 has 128 divisors (see below), whose sum is σ = 618415937187840. Its totient is φ = 54869007398400.

The previous prime is 231243412420949. The next prime is 231243412421051. The reversal of 231243412421010 is 10124214342132.

It is a happy number.

It is a super-2 number, since 2×231243412421010² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 33482170 + ... + 39793749.

It is an arithmetic number, because the mean of its divisors is an integer number (4831374509280).

Almost surely, 2^{231243412421010} is an apocalyptic number.

231243412421010 is an abundant number, since it is smaller than the sum of its proper divisors (387172524766830).

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

231243412421010 is a wasteful number, since it uses less digits than its factorization.

231243412421010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73276144.

The product of its (nonzero) digits is 9216, while the sum is 30.

Adding to 231243412421010 its reverse (10124214342132), we get a palindrome (241367626763142).

The spelling of 231243412421010 in words is "two hundred thirty-one trillion, two hundred forty-three billion, four hundred twelve million, four hundred twenty-one thousand, ten".