231300301131021 has 16 divisors (see below), whose sum is σ = 316520284651200. Its totient is φ = 150191978183808.

The previous prime is 231300301131019. The next prime is 231300301131023. The reversal of 231300301131021 is 120131103003132.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (231300301131019) and next prime (231300301131023).

It is not a de Polignac number, because 231300301131021 - 2¹ = 231300301131019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231300301131023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6464857206 + ... + 6464892983.

It is an arithmetic number, because the mean of its divisors is an integer number (19782517790700).

Almost surely, 2^{231300301131021} is an apocalyptic number.

It is an amenable number.

231300301131021 is a deficient number, since it is larger than the sum of its proper divisors (85219983520179).

231300301131021 is a wasteful number, since it uses less digits than its factorization.

231300301131021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12929750348.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 231300301131021 its reverse (120131103003132), we get a palindrome (351431404134153).

The spelling of 231300301131021 in words is "two hundred thirty-one trillion, three hundred billion, three hundred one million, one hundred thirty-one thousand, twenty-one".