1231033331434 has 8 divisors (see below), whose sum is σ = 1850814548100. Its totient is φ = 614095148736.

The previous prime is 1231033331431. The next prime is 1231033331513. The reversal of 1231033331434 is 4341333301321.

It can be written as a sum of positive squares in 2 ways, for example, as 1230579769225 + 453562209 = 1109315^2 + 21297^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1231033331396 and 1231033331405.

It is not an unprimeable number, because it can be changed into a prime (1231033331431) 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, 710757409 + ... + 710759140.

Almost surely, 2^{1231033331434} is an apocalyptic number.

1231033331434 is a deficient number, since it is larger than the sum of its proper divisors (619781216666).

1231033331434 is a wasteful number, since it uses less digits than its factorization.

1231033331434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1421516984.

The product of its (nonzero) digits is 23328, while the sum is 31.

Adding to 1231033331434 its reverse (4341333301321), we get a palindrome (5572366632755).

The spelling of 1231033331434 in words is "one trillion, two hundred thirty-one billion, thirty-three million, three hundred thirty-one thousand, four hundred thirty-four".