231303430004 has 6 divisors (see below), whose sum is σ = 404781002514. Its totient is φ = 115651715000.

The previous prime is 231303429943. The next prime is 231303430009. The reversal of 231303430004 is 400034303132.

It can be written as a sum of positive squares in only one way, i.e., 136642601104 + 94660828900 = 369652^2 + 307670^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231303430009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28912928747 + ... + 28912928754.

It is an arithmetic number, because the mean of its divisors is an integer number (67463500419).

Almost surely, 2^231303430004 is an apocalyptic number.

It is an amenable number.

231303430004 is a deficient number, since it is larger than the sum of its proper divisors (173477572510).

231303430004 is a wasteful number, since it uses less digits than its factorization.

231303430004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57825857505 (or 57825857503 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 231303430004 its reverse (400034303132), we get a palindrome (631337733136).

The spelling of 231303430004 in words is "two hundred thirty-one billion, three hundred three million, four hundred thirty thousand, four".