1010243213 has 4 divisors (see below), whose sum is σ = 1154563680. Its totient is φ = 865922748.

The previous prime is 1010243209. The next prime is 1010243249. The reversal of 1010243213 is 3123420101.

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, and also an emirpimes, since its reverse is a distinct semiprime: 3123420101 = 103 ⋅30324467.

It is a cyclic number.

It is not a de Polignac number, because 1010243213 - 2² = 1010243209 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1010243191 and 1010243200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010243203) 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, 72160223 + ... + 72160236.

It is an arithmetic number, because the mean of its divisors is an integer number (288640920).

Almost surely, 2^1010243213 is an apocalyptic number.

It is an amenable number.

1010243213 is a deficient number, since it is larger than the sum of its proper divisors (144320467).

1010243213 is an equidigital number, since it uses as much as digits as its factorization.

1010243213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144320466.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1010243213 is about 31784.3233843352. The cubic root of 1010243213 is about 1003.4028120695.

Adding to 1010243213 its reverse (3123420101), we get a palindrome (4133663314).

The spelling of 1010243213 in words is "one billion, ten million, two hundred forty-three thousand, two hundred thirteen".