231022121002331 has 8 divisors (see below), whose sum is σ = 231085178732544. Its totient is φ = 230959064494440.

The previous prime is 231022121002279. The next prime is 231022121002339. The reversal of 231022121002331 is 133200121220132.

231022121002331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-231022121002331 is a prime.

It is a super-2 number, since 2×231022121002331² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 231022121002297 and 231022121002306.

It is not an unprimeable number, because it can be changed into a prime (231022121002339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 479968070 + ... + 480449156.

It is an arithmetic number, because the mean of its divisors is an integer number (28885647341568).

Almost surely, 2^{231022121002331} is an apocalyptic number.

231022121002331 is a deficient number, since it is larger than the sum of its proper divisors (63057730213).

231022121002331 is a wasteful number, since it uses less digits than its factorization.

231022121002331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611161.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 231022121002331 its reverse (133200121220132), we get a palindrome (364222242222463).

The spelling of 231022121002331 in words is "two hundred thirty-one trillion, twenty-two billion, one hundred twenty-one million, two thousand, three hundred thirty-one".