1102045231 has 12 divisors (see below), whose sum is σ = 1282676472. Its totient is φ = 944090448.

The previous prime is 1102045177. The next prime is 1102045249. The reversal of 1102045231 is 1325402011.

It is not a de Polignac number, because 1102045231 - 2¹⁷ = 1101914159 is a prime.

It is a super-2 number, since 2×1102045231² = 2429007382339686722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1102045199 and 1102045208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1102045631) 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, 103356 + ... + 113518.

It is an arithmetic number, because the mean of its divisors is an integer number (106889706).

Almost surely, 2^1102045231 is an apocalyptic number.

1102045231 is a deficient number, since it is larger than the sum of its proper divisors (180631241).

1102045231 is a wasteful number, since it uses less digits than its factorization.

1102045231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12390 (or 12383 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 1102045231 is about 33197.0666023370. The cubic root of 1102045231 is about 1032.9194924742.

Adding to 1102045231 its reverse (1325402011), we get a palindrome (2427447242).

The spelling of 1102045231 in words is "one billion, one hundred two million, forty-five thousand, two hundred thirty-one".