231430211331302 has 4 divisors (see below), whose sum is σ = 347145316996956. Its totient is φ = 115715105665650.

The previous prime is 231430211331299. The next prime is 231430211331307. The reversal of 231430211331302 is 203133112034132.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×231430211331302² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231430211331307) 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 as a sum of consecutive naturals, namely, 57857552832824 + ... + 57857552832827.

It is an arithmetic number, because the mean of its divisors is an integer number (86786329249239).

Almost surely, 2^{231430211331302} is an apocalyptic number.

231430211331302 is a deficient number, since it is larger than the sum of its proper divisors (115715105665654).

231430211331302 is a wasteful number, since it uses less digits than its factorization.

231430211331302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115715105665653.

The product of its (nonzero) digits is 7776, while the sum is 29.

Adding to 231430211331302 its reverse (203133112034132), we get a palindrome (434563323365434).

The spelling of 231430211331302 in words is "two hundred thirty-one trillion, four hundred thirty billion, two hundred eleven million, three hundred thirty-one thousand, three hundred two".