1020313451432 has 32 divisors (see below), whose sum is σ = 2116399233600. Its totient is φ = 457246742400.

The previous prime is 1020313451429. The next prime is 1020313451447. The reversal of 1020313451432 is 2341543130201.

It is a junction number, because it is equal to n+sod(n) for n = 1020313451395 and 1020313451404.

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, 81644957 + ... + 81657452.

It is an arithmetic number, because the mean of its divisors is an integer number (66137476050).

Almost surely, 2^{1020313451432} is an apocalyptic number.

It is an amenable number.

1020313451432 is an abundant number, since it is smaller than the sum of its proper divisors (1096085782168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1020313451432 is a wasteful number, since it uses less digits than its factorization.

1020313451432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163302497 (or 163302493 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

Adding to 1020313451432 its reverse (2341543130201), we get a palindrome (3361856581633).

The spelling of 1020313451432 in words is "one trillion, twenty billion, three hundred thirteen million, four hundred fifty-one thousand, four hundred thirty-two".