1022031213 has 8 divisors (see below), whose sum is σ = 1557380928. Its totient is φ = 584017824.

The previous prime is 1022031209. The next prime is 1022031229. The reversal of 1022031213 is 3121302201.

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

It is not a de Polignac number, because 1022031213 - 2² = 1022031209 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1022031192 and 1022031201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022031203) 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, 24334056 + ... + 24334097.

It is an arithmetic number, because the mean of its divisors is an integer number (194672616).

Almost surely, 2^1022031213 is an apocalyptic number.

It is an amenable number.

1022031213 is a deficient number, since it is larger than the sum of its proper divisors (535349715).

1022031213 is an equidigital number, since it uses as much as digits as its factorization.

1022031213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48668163.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1022031213 is about 31969.2229026606. Note that the first 3 decimals coincide. The cubic root of 1022031213 is about 1007.2904577283.

Adding to 1022031213 its reverse (3121302201), we get a palindrome (4143333414).

The spelling of 1022031213 in words is "one billion, twenty-two million, thirty-one thousand, two hundred thirteen".