1030213031 has 4 divisors (see below), whose sum is σ = 1030920600. Its totient is φ = 1029505464.

The previous prime is 1030213021. The next prime is 1030213057. The reversal of 1030213031 is 1303120301.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1030213031 is a prime.

It is a super-2 number, since 2×1030213031² = 2122677778484413922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1030212997 and 1030213015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1030213021) 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, 351596 + ... + 354513.

It is an arithmetic number, because the mean of its divisors is an integer number (257730150).

Almost surely, 2^1030213031 is an apocalyptic number.

1030213031 is a deficient number, since it is larger than the sum of its proper divisors (707569).

1030213031 is an equidigital number, since it uses as much as digits as its factorization.

1030213031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 707568.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 1030213031 is about 32096.9318004073. The cubic root of 1030213031 is about 1009.9712539608.

Adding to 1030213031 its reverse (1303120301), we get a palindrome (2333333332).

The spelling of 1030213031 in words is "one billion, thirty million, two hundred thirteen thousand, thirty-one".