1331024001402 has 16 divisors (see below), whose sum is σ = 2662060570560. Its totient is φ = 443672572512.

The previous prime is 1331024001311. The next prime is 1331024001407. The reversal of 1331024001402 is 2041004201331.

It is not an unprimeable number, because it can be changed into a prime (1331024001407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1392499 + ... + 2145017.

It is an arithmetic number, because the mean of its divisors is an integer number (166378785660).

Almost surely, 2^{1331024001402} is an apocalyptic number.

1331024001402 is an abundant number, since it is smaller than the sum of its proper divisors (1331036569158).

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

1331024001402 is a wasteful number, since it uses less digits than its factorization.

1331024001402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1047317.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 1331024001402 its reverse (2041004201331), we get a palindrome (3372028202733).

The spelling of 1331024001402 in words is "one trillion, three hundred thirty-one billion, twenty-four million, one thousand, four hundred two".