1117522031 has 4 divisors (see below), whose sum is σ = 1176339000. Its totient is φ = 1058705064.

The previous prime is 1117522019. The next prime is 1117522039. The reversal of 1117522031 is 1302257111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1302257111 = 127 ⋅10253993.

It is a cyclic number.

It is not a de Polignac number, because 1117522031 - 2²² = 1113327727 is a prime.

It is a super-2 number, since 2×1117522031² = 2497710979540729922, 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 = 1117521988 and 1117522006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1117522039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29408456 + ... + 29408493.

It is an arithmetic number, because the mean of its divisors is an integer number (294084750).

Almost surely, 2^1117522031 is an apocalyptic number.

1117522031 is a deficient number, since it is larger than the sum of its proper divisors (58816969).

1117522031 is an equidigital number, since it uses as much as digits as its factorization.

1117522031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58816968.

The product of its (nonzero) digits is 420, while the sum is 23.

The square root of 1117522031 is about 33429.3588182603. The cubic root of 1117522031 is about 1037.7323715444.

Adding to 1117522031 its reverse (1302257111), we get a palindrome (2419779142).

The spelling of 1117522031 in words is "one billion, one hundred seventeen million, five hundred twenty-two thousand, thirty-one".