1082153231 has 4 divisors (see below), whose sum is σ = 1082334000. Its totient is φ = 1081972464.

The previous prime is 1082153209. The next prime is 1082153249. The reversal of 1082153231 is 1323512801.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1082153231 - 2¹⁰ = 1082152207 is a prime.

It is a super-2 number, since 2×1082153231² = 2342111230727478722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1082153231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1082113231) 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, 81086 + ... + 93483.

It is an arithmetic number, because the mean of its divisors is an integer number (270583500).

Almost surely, 2^1082153231 is an apocalyptic number.

1082153231 is a deficient number, since it is larger than the sum of its proper divisors (180769).

1082153231 is an equidigital number, since it uses as much as digits as its factorization.

1082153231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180768.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 1082153231 is about 32896.0975041113. The cubic root of 1082153231 is about 1026.6669622593. Note that the first 3 decimals are identical.

The spelling of 1082153231 in words is "one billion, eighty-two million, one hundred fifty-three thousand, two hundred thirty-one".