1230331033031 has 4 divisors (see below), whose sum is σ = 1230359478000. Its totient is φ = 1230302588064.

The previous prime is 1230331032977. The next prime is 1230331033117. The reversal of 1230331033031 is 1303301330321.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1230331033031 is a prime.

It is a super-2 number, since 2×1230331033031² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1230331032988 and 1230331033006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230331033231) 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, 14157506 + ... + 14244143.

It is an arithmetic number, because the mean of its divisors is an integer number (307589869500).

Almost surely, 2^{1230331033031} is an apocalyptic number.

1230331033031 is a deficient number, since it is larger than the sum of its proper divisors (28444969).

1230331033031 is an equidigital number, since it uses as much as digits as its factorization.

1230331033031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28444968.

The product of its (nonzero) digits is 1458, while the sum is 23.

Adding to 1230331033031 its reverse (1303301330321), we get a palindrome (2533632363352).

The spelling of 1230331033031 in words is "one trillion, two hundred thirty billion, three hundred thirty-one million, thirty-three thousand, thirty-one".