103311115426 has 4 divisors (see below), whose sum is σ = 154966673142. Its totient is φ = 51655557712.

The previous prime is 103311115387. The next prime is 103311115441. The reversal of 103311115426 is 624511113301.

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

It can be written as a sum of positive squares in only one way, i.e., 59707411201 + 43603704225 = 244351^2 + 208815^2 .

It is a super-2 number, since 2×103311115426² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 103311115394 and 103311115403.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25827778855 + ... + 25827778858.

Almost surely, 2^103311115426 is an apocalyptic number.

103311115426 is a deficient number, since it is larger than the sum of its proper divisors (51655557716).

103311115426 is an equidigital number, since it uses as much as digits as its factorization.

103311115426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51655557715.

The product of its (nonzero) digits is 2160, while the sum is 28.

Adding to 103311115426 its reverse (624511113301), we get a palindrome (727822228727).

The spelling of 103311115426 in words is "one hundred three billion, three hundred eleven million, one hundred fifteen thousand, four hundred twenty-six".