1231430352326 has 16 divisors (see below), whose sum is σ = 1867261476528. Its totient is φ = 609021804000.

The previous prime is 1231430352319. The next prime is 1231430352391. The reversal of 1231430352326 is 6232530341321.

It is a super-2 number, since 2×1231430352326² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2779160 + ... + 3191643.

It is an arithmetic number, because the mean of its divisors is an integer number (116703842283).

Almost surely, 2^{1231430352326} is an apocalyptic number.

1231430352326 is a deficient number, since it is larger than the sum of its proper divisors (635831124202).

1231430352326 is a wasteful number, since it uses less digits than its factorization.

1231430352326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5971927.

The product of its (nonzero) digits is 77760, while the sum is 35.

Adding to 1231430352326 its reverse (6232530341321), we get a palindrome (7463960693647).

The spelling of 1231430352326 in words is "one trillion, two hundred thirty-one billion, four hundred thirty million, three hundred fifty-two thousand, three hundred twenty-six".