11345031 has 12 divisors (see below), whose sum is σ = 16453008. Its totient is φ = 7533024.

The previous prime is 11345029. The next prime is 11345053. The reversal of 11345031 is 13054311.

11345031 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11345031 - 2¹ = 11345029 is a prime.

It is a super-2 number, since 2×11345031² = 257419456781922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11344995 and 11345013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11345011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30 + ... + 4763.

It is an arithmetic number, because the mean of its divisors is an integer number (1371084).

Almost surely, 2^11345031 is an apocalyptic number.

11345031 is a deficient number, since it is larger than the sum of its proper divisors (5107977).

11345031 is a wasteful number, since it uses less digits than its factorization.

11345031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5062 (or 5059 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 11345031 is about 3368.2385604348. The cubic root of 11345031 is about 224.6993911462.

Adding to 11345031 its reverse (13054311), we get a palindrome (24399342).

The spelling of 11345031 in words is "eleven million, three hundred forty-five thousand, thirty-one".