231460063266021 has 4 divisors (see below), whose sum is σ = 308613417688032. Its totient is φ = 154306708844012.

The previous prime is 231460063266001. The next prime is 231460063266023. The reversal of 231460063266021 is 120662360064132.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 231460063266021 - 2³⁸ = 231185185359077 is a prime.

It is a super-2 number, since 2×231460063266021² (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 (231460063266023) 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, 38576677211001 + ... + 38576677211006.

It is an arithmetic number, because the mean of its divisors is an integer number (77153354422008).

Almost surely, 2^{231460063266021} is an apocalyptic number.

It is an amenable number.

231460063266021 is a deficient number, since it is larger than the sum of its proper divisors (77153354422011).

231460063266021 is an equidigital number, since it uses as much as digits as its factorization.

231460063266021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77153354422010.

The product of its (nonzero) digits is 373248, while the sum is 42.

The spelling of 231460063266021 in words is "two hundred thirty-one trillion, four hundred sixty billion, sixty-three million, two hundred sixty-six thousand, twenty-one".