1230032431 has 16 divisors (see below), whose sum is σ = 1346204160. Its totient is φ = 1119856320.

The previous prime is 1230032417. The next prime is 1230032437. The reversal of 1230032431 is 1342300321.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1230032431 is a prime.

It is a super-2 number, since 2×1230032431² = 3025959562623539522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1230032399 and 1230032408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230032437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40410 + ... + 63976.

It is an arithmetic number, because the mean of its divisors is an integer number (84137760).

Almost surely, 2^1230032431 is an apocalyptic number.

1230032431 is a deficient number, since it is larger than the sum of its proper divisors (116171729).

1230032431 is a wasteful number, since it uses less digits than its factorization.

1230032431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23694.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 1230032431 is about 35071.8181878271. The cubic root of 1230032431 is about 1071.4506863863.

Adding to 1230032431 its reverse (1342300321), we get a palindrome (2572332752).

The spelling of 1230032431 in words is "one billion, two hundred thirty million, thirty-two thousand, four hundred thirty-one".