1230032031 has 4 divisors (see below), whose sum is σ = 1640042712. Its totient is φ = 820021352.

The previous prime is 1230032009. The next prime is 1230032053. The reversal of 1230032031 is 1302300321.

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

It is an interprime number because it is at equal distance from previous prime (1230032009) and next prime (1230032053).

It is a cyclic number.

It is not a de Polignac number, because 1230032031 - 2²² = 1225837727 is a prime.

It is a super-2 number, since 2×1230032031² = 3025957594571969922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1230032031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230082031) 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, 205005336 + ... + 205005341.

It is an arithmetic number, because the mean of its divisors is an integer number (410010678).

Almost surely, 2^1230032031 is an apocalyptic number.

1230032031 is a deficient number, since it is larger than the sum of its proper divisors (410010681).

1230032031 is an equidigital number, since it uses as much as digits as its factorization.

1230032031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410010680.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 1230032031 is about 35071.8124852423. The cubic root of 1230032031 is about 1071.4505702429.

Adding to 1230032031 its reverse (1302300321), we get a palindrome (2532332352).

The spelling of 1230032031 in words is "one billion, two hundred thirty million, thirty-two thousand, thirty-one".