230143235355131 has 4 divisors (see below), whose sum is σ = 263020840405872. Its totient is φ = 197265630304392.

The previous prime is 230143235355101. The next prime is 230143235355157. The reversal of 230143235355131 is 131553532341032.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-230143235355131 is a prime.

It is a super-2 number, since 2×230143235355131² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230143235355101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16438802525360 + ... + 16438802525373.

It is an arithmetic number, because the mean of its divisors is an integer number (65755210101468).

Almost surely, 2^{230143235355131} is an apocalyptic number.

230143235355131 is a deficient number, since it is larger than the sum of its proper divisors (32877605050741).

230143235355131 is an equidigital number, since it uses as much as digits as its factorization.

230143235355131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32877605050740.

The product of its (nonzero) digits is 486000, while the sum is 41.

Adding to 230143235355131 its reverse (131553532341032), we get a palindrome (361696767696163).

The spelling of 230143235355131 in words is "two hundred thirty trillion, one hundred forty-three billion, two hundred thirty-five million, three hundred fifty-five thousand, one hundred thirty-one".