231143220034 has 8 divisors (see below), whose sum is σ = 367109820108. Its totient is φ = 108773280000.

The previous prime is 231143220023. The next prime is 231143220079. The reversal of 231143220034 is 430022341132.

It can be written as a sum of positive squares in 2 ways, for example, as 230877367009 + 265853025 = 480497^2 + 16305^2 .

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

It is a super-2 number, since 2×231143220034² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 231143219990 and 231143220008.

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, 3399164967 + ... + 3399165034.

Almost surely, 2^231143220034 is an apocalyptic number.

231143220034 is a deficient number, since it is larger than the sum of its proper divisors (135966600074).

231143220034 is a wasteful number, since it uses less digits than its factorization.

231143220034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6798330020.

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

Adding to 231143220034 its reverse (430022341132), we get a palindrome (661165561166).

The spelling of 231143220034 in words is "two hundred thirty-one billion, one hundred forty-three million, two hundred twenty thousand, thirty-four".