1032312155 has 12 divisors (see below), whose sum is σ = 1441023840. Its totient is φ = 707871024.

The previous prime is 1032312143. The next prime is 1032312167. The reversal of 1032312155 is 5512132301.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1032312143) and next prime (1032312167).

It is not a de Polignac number, because 1032312155 - 2¹⁰ = 1032311131 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1032312155.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2106515 + ... + 2107004.

It is an arithmetic number, because the mean of its divisors is an integer number (120085320).

Almost surely, 2^1032312155 is an apocalyptic number.

1032312155 is a deficient number, since it is larger than the sum of its proper divisors (408711685).

1032312155 is an equidigital number, since it uses as much as digits as its factorization.

1032312155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4213538 (or 4213531 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 1032312155 is about 32129.6149214397. The cubic root of 1032312155 is about 1010.6567486262.

Adding to 1032312155 its reverse (5512132301), we get a palindrome (6544444456).

The spelling of 1032312155 in words is "one billion, thirty-two million, three hundred twelve thousand, one hundred fifty-five".