103013310521 has 8 divisors (see below), whose sum is σ = 113372655264. Its totient is φ = 92819715520.

The previous prime is 103013310511. The next prime is 103013310583. The reversal of 103013310521 is 125013310301.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103013310521 is a prime.

It is a super-2 number, since 2×103013310521² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 103013310493 and 103013310502.

It is not an unprimeable number, because it can be changed into a prime (103013310511) 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, 41436131 + ... + 41438616.

It is an arithmetic number, because the mean of its divisors is an integer number (14171581908).

Almost surely, 2^103013310521 is an apocalyptic number.

103013310521 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

103013310521 is a deficient number, since it is larger than the sum of its proper divisors (10359344743).

103013310521 is a wasteful number, since it uses less digits than its factorization.

103013310521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82874871.

The product of its (nonzero) digits is 270, while the sum is 20.

Adding to 103013310521 its reverse (125013310301), we get a palindrome (228026620822).

The spelling of 103013310521 in words is "one hundred three billion, thirteen million, three hundred ten thousand, five hundred twenty-one".