231022029 has 8 divisors (see below), whose sum is σ = 352033600. Its totient is φ = 132012576.

The previous prime is 231022009. The next prime is 231022039. The reversal of 231022029 is 920220132.

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

It is not a de Polignac number, because 231022029 - 2¹² = 231017933 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 11001049 = 231022029 / (2 + 3 + 1 + 0 + 2 + 2 + 0 + 2 + 9).

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 231021996 and 231022014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231022009) 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, 5500504 + ... + 5500545.

It is an arithmetic number, because the mean of its divisors is an integer number (44004200).

Almost surely, 2^231022029 is an apocalyptic number.

It is an amenable number.

231022029 is a deficient number, since it is larger than the sum of its proper divisors (121011571).

231022029 is a wasteful number, since it uses less digits than its factorization.

231022029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11001059.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 231022029 is about 15199.4088371884. The cubic root of 231022029 is about 613.5987477289.

The spelling of 231022029 in words is "two hundred thirty-one million, twenty-two thousand, twenty-nine".