103011213213 has 20 divisors (see below), whose sum is σ = 154257234780. Its totient is φ = 68506212672.

The previous prime is 103011213199. The next prime is 103011213251. The reversal of 103011213213 is 312312110301.

It can be written as a sum of positive squares in 2 ways, for example, as 90560670489 + 12450542724 = 300933^2 + 111582^2 .

It is not a de Polignac number, because 103011213213 - 2⁹ = 103011212701 is a prime.

It is a super-2 number, since 2×103011213213² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103011013213) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1521570 + ... + 1587827.

It is an arithmetic number, because the mean of its divisors is an integer number (7712861739).

Almost surely, 2^103011213213 is an apocalyptic number.

It is an amenable number.

103011213213 is a deficient number, since it is larger than the sum of its proper divisors (51246021567).

103011213213 is an equidigital number, since it uses as much as digits as its factorization.

103011213213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3109818 (or 3109809 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 103011213213 its reverse (312312110301), we get a palindrome (415323323514).

The spelling of 103011213213 in words is "one hundred three billion, eleven million, two hundred thirteen thousand, two hundred thirteen".