1102520331 has 12 divisors (see below), whose sum is σ = 1737304920. Its totient is φ = 668194080.

The previous prime is 1102520323. The next prime is 1102520371. The reversal of 1102520331 is 1330252011.

1102520331 is a `hidden beast` number, since 110 + 2 + 520 + 3 + 31 = 666.

It is not a de Polignac number, because 1102520331 - 2³ = 1102520323 is a prime.

It is a super-2 number, since 2×1102520331² = 2431102160536699122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1102520371) 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, 5568186 + ... + 5568383.

It is an arithmetic number, because the mean of its divisors is an integer number (144775410).

Almost surely, 2^1102520331 is an apocalyptic number.

1102520331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1102520331 is a deficient number, since it is larger than the sum of its proper divisors (634784589).

1102520331 is a wasteful number, since it uses less digits than its factorization.

1102520331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11136586 (or 11136583 counting only the distinct ones).

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

The square root of 1102520331 is about 33204.2215840095. The cubic root of 1102520331 is about 1033.0679042736.

Adding to 1102520331 its reverse (1330252011), we get a palindrome (2432772342).

The spelling of 1102520331 in words is "one billion, one hundred two million, five hundred twenty thousand, three hundred thirty-one".