1020131255432 has 16 divisors (see below), whose sum is σ = 1912892881500. Its totient is φ = 510026487040.

The previous prime is 1020131255417. The next prime is 1020131255477. The reversal of 1020131255432 is 2345521310201.

It can be written as a sum of positive squares in 2 ways, for example, as 1020087880036 + 43375396 = 1009994^2 + 6586^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1020131255395 and 1020131255404.

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, 4781669 + ... + 4990452.

Almost surely, 2^{1020131255432} is an apocalyptic number.

It is an amenable number.

1020131255432 is a deficient number, since it is larger than the sum of its proper divisors (892761626068).

1020131255432 is a wasteful number, since it uses less digits than its factorization.

1020131255432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9785176 (or 9785172 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

Adding to 1020131255432 its reverse (2345521310201), we get a palindrome (3365652565633).

The spelling of 1020131255432 in words is "one trillion, twenty billion, one hundred thirty-one million, two hundred fifty-five thousand, four hundred thirty-two".