231545401035202 has 16 divisors (see below), whose sum is σ = 354809455270272. Its totient is φ = 113276993818480.

The previous prime is 231545401035199. The next prime is 231545401035203. The reversal of 231545401035202 is 202530104545132.

It is a happy number.

It is a super-2 number, since 2×231545401035202² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (231545401035203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 352471753 + ... + 353128060.

It is an arithmetic number, because the mean of its divisors is an integer number (22175590954392).

Almost surely, 2^{231545401035202} is an apocalyptic number.

231545401035202 is a deficient number, since it is larger than the sum of its proper divisors (123264054235070).

231545401035202 is a wasteful number, since it uses less digits than its factorization.

231545401035202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 705603353.

The product of its (nonzero) digits is 144000, while the sum is 37.

The spelling of 231545401035202 in words is "two hundred thirty-one trillion, five hundred forty-five billion, four hundred one million, thirty-five thousand, two hundred two".