105431230235372 has 12 divisors (see below), whose sum is σ = 184510294277400. Its totient is φ = 52714003298976.

The previous prime is 105431230235329. The next prime is 105431230235399. The reversal of 105431230235372 is 273532032134501.

It is a super-2 number, since 2×105431230235372² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 402807497 + ... + 403069152.

It is an arithmetic number, because the mean of its divisors is an integer number (15375857856450).

Almost surely, 2^{105431230235372} is an apocalyptic number.

It is an amenable number.

105431230235372 is a deficient number, since it is larger than the sum of its proper divisors (79079064042028).

105431230235372 is a wasteful number, since it uses less digits than its factorization.

105431230235372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 805909360 (or 805909358 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 41.

Adding to 105431230235372 its reverse (273532032134501), we get a palindrome (378963262369873).

The spelling of 105431230235372 in words is "one hundred five trillion, four hundred thirty-one billion, two hundred thirty million, two hundred thirty-five thousand, three hundred seventy-two".