1012403201331 has 8 divisors (see below), whose sum is σ = 1350002019024. Its totient is φ = 674869925600.

The previous prime is 1012403201321. The next prime is 1012403201353. The reversal of 1012403201331 is 1331023042101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1012403201331 - 2⁹ = 1012403200819 is a prime.

It is a super-2 number, since 2×1012403201331² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1012403201298 and 1012403201307.

It is not an unprimeable number, because it can be changed into a prime (1012403201321) 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, 16349436 + ... + 16411241.

It is an arithmetic number, because the mean of its divisors is an integer number (168750252378).

Almost surely, 2^{1012403201331} is an apocalyptic number.

1012403201331 is a deficient number, since it is larger than the sum of its proper divisors (337598817693).

1012403201331 is a wasteful number, since it uses less digits than its factorization.

1012403201331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32770981.

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

Adding to 1012403201331 its reverse (1331023042101), we get a palindrome (2343426243432).

The spelling of 1012403201331 in words is "one trillion, twelve billion, four hundred three million, two hundred one thousand, three hundred thirty-one".