11617031 has 2 divisors, whose sum is σ = 11617032. Its totient is φ = 11617030.

The previous prime is 11617019. The next prime is 11617049. The reversal of 11617031 is 13071611.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11617031 is a prime.

It is a super-2 number, since 2×11617031² = 269910818509922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11616994 and 11617012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11617051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5808515 + 5808516.

It is an arithmetic number, because the mean of its divisors is an integer number (5808516).

Almost surely, 2^11617031 is an apocalyptic number.

11617031 is a deficient number, since it is larger than the sum of its proper divisors (1).

11617031 is an equidigital number, since it uses as much as digits as its factorization.

11617031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 126, while the sum is 20.

The square root of 11617031 is about 3408.3765930425. The cubic root of 11617031 is about 226.4809698335.

Adding to 11617031 its reverse (13071611), we get a palindrome (24688642).

It can be divided in two parts, 1161 and 7031, that added together give a 13-th power (8192 = 2¹³).

The spelling of 11617031 in words is "eleven million, six hundred seventeen thousand, thirty-one".