1001020131332 has 24 divisors (see below), whose sum is σ = 1891595718936. Its totient is φ = 460770651648.

The previous prime is 1001020131313. The next prime is 1001020131389. The reversal of 1001020131332 is 2331310201001.

It can be written as a sum of positive squares in 4 ways, for example, as 159533141056 + 841486990276 = 399416^2 + 917326^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1001020131332.

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, 25785413 + ... + 25824204.

It is an arithmetic number, because the mean of its divisors is an integer number (78816488289).

Almost surely, 2^{1001020131332} is an apocalyptic number.

It is an amenable number.

1001020131332 is a deficient number, since it is larger than the sum of its proper divisors (890575587604).

1001020131332 is a wasteful number, since it uses less digits than its factorization.

1001020131332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51610007 (or 51610005 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 1001020131332 its reverse (2331310201001), we get a palindrome (3332330332333).

The spelling of 1001020131332 in words is "one trillion, one billion, twenty million, one hundred thirty-one thousand, three hundred thirty-two".