231052750145 has 16 divisors (see below), whose sum is σ = 317264065920. Its totient is φ = 158240310144.

The previous prime is 231052750141. The next prime is 231052750211. The reversal of 231052750145 is 541057250132.

231052750145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 231052750145 - 2² = 231052750141 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is not an unprimeable number, because it can be changed into a prime (231052750141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4051727 + ... + 4108356.

It is an arithmetic number, because the mean of its divisors is an integer number (19829004120).

Almost surely, 2^231052750145 is an apocalyptic number.

It is an amenable number.

231052750145 is a deficient number, since it is larger than the sum of its proper divisors (86211315775).

231052750145 is an equidigital number, since it uses as much as digits as its factorization.

231052750145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8160904.

The product of its (nonzero) digits is 42000, while the sum is 35.

The spelling of 231052750145 in words is "two hundred thirty-one billion, fifty-two million, seven hundred fifty thousand, one hundred forty-five".