1031200311432 has 32 divisors (see below), whose sum is σ = 2578519893600. Its totient is φ = 343664221824.

The previous prime is 1031200311367. The next prime is 1031200311511. The reversal of 1031200311432 is 2341130021301.

It is a junction number, because it is equal to n+sod(n) for n = 1031200311399 and 1031200311408.

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, 4204218 + ... + 4442729.

It is an arithmetic number, because the mean of its divisors is an integer number (80578746675).

Almost surely, 2^{1031200311432} is an apocalyptic number.

1031200311432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1031200311432 is an abundant number, since it is smaller than the sum of its proper divisors (1547319582168).

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

1031200311432 is a wasteful number, since it uses less digits than its factorization.

1031200311432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8651925 (or 8651921 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 1031200311432 its reverse (2341130021301), we get a palindrome (3372330332733).

The spelling of 1031200311432 in words is "one trillion, thirty-one billion, two hundred million, three hundred eleven thousand, four hundred thirty-two".