103031133331221 has 24 divisors (see below), whose sum is σ = 156908602916000. Its totient is φ = 64967169798432.

The previous prime is 103031133331211. The next prime is 103031133331261. The reversal of 103031133331221 is 122133331130301.

103031133331221 is a `hidden beast` number, since 1 + 0 + 3 + 0 + 3 + 11 + 333 + 312 + 2 + 1 = 666.

It is not a de Polignac number, because 103031133331221 - 2¹⁸ = 103031133069077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103031133331211) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 486583366 + ... + 486795063.

Almost surely, 2^{103031133331221} is an apocalyptic number.

It is an amenable number.

103031133331221 is a deficient number, since it is larger than the sum of its proper divisors (53877469584779).

103031133331221 is a wasteful number, since it uses less digits than its factorization.

103031133331221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 973379073 (or 973379070 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 27.

Adding to 103031133331221 its reverse (122133331130301), we get a palindrome (225164464461522).

The spelling of 103031133331221 in words is "one hundred three trillion, thirty-one billion, one hundred thirty-three million, three hundred thirty-one thousand, two hundred twenty-one".