11620031 has 4 divisors (see below), whose sum is σ = 11767200. Its totient is φ = 11472864.

The previous prime is 11620013. The next prime is 11620033. The reversal of 11620031 is 13002611.

11620031 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13002611 = 3581 ⋅3631.

It is a cyclic number.

It is not a de Polignac number, because 11620031 - 2⁶ = 11619967 is a prime.

It is a super-2 number, since 2×11620031² = 270050240881922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11619988 and 11620015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11620033) 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, 73466 + ... + 73623.

It is an arithmetic number, because the mean of its divisors is an integer number (2941800).

Almost surely, 2^11620031 is an apocalyptic number.

11620031 is a deficient number, since it is larger than the sum of its proper divisors (147169).

11620031 is an equidigital number, since it uses as much as digits as its factorization.

11620031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147168.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 11620031 is about 3408.8166568474. The cubic root of 11620031 is about 226.5004637539.

Adding to 11620031 its reverse (13002611), we get a palindrome (24622642).

The spelling of 11620031 in words is "eleven million, six hundred twenty thousand, thirty-one".