231103434 has 16 divisors (see below), whose sum is σ = 464880672. Its totient is φ = 76588848.

The previous prime is 231103427. The next prime is 231103459. The reversal of 231103434 is 434301132.

It is a self number, because there is not a number n which added to its sum of digits gives 231103434.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110284 + ... + 112359.

It is an arithmetic number, because the mean of its divisors is an integer number (29055042).

Almost surely, 2^231103434 is an apocalyptic number.

231103434 is an abundant number, since it is smaller than the sum of its proper divisors (233777238).

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

231103434 is a wasteful number, since it uses less digits than its factorization.

231103434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222821.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 231103434 is about 15202.0865015300. The cubic root of 231103434 is about 613.6708103232.

Adding to 231103434 its reverse (434301132), we get a palindrome (665404566).

The spelling of 231103434 in words is "two hundred thirty-one million, one hundred three thousand, four hundred thirty-four".