1031030030121 has 24 divisors (see below), whose sum is σ = 1701243132480. Its totient is φ = 543840014016.

The previous prime is 1031030030119. The next prime is 1031030030131. The reversal of 1031030030121 is 1210300301301.

It is not a de Polignac number, because 1031030030121 - 2¹ = 1031030030119 is a prime.

It is a super-2 number, since 2×1031030030121² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1031030030121.

It is not an unprimeable number, because it can be changed into a prime (1031030030131) 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, 145252866 + ... + 145259963.

It is an arithmetic number, because the mean of its divisors is an integer number (70885130520).

Almost surely, 2^{1031030030121} is an apocalyptic number.

It is an amenable number.

1031030030121 is a deficient number, since it is larger than the sum of its proper divisors (670213102359).

1031030030121 is a wasteful number, since it uses less digits than its factorization.

1031030030121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290512865 (or 290512852 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 1031030030121 its reverse (1210300301301), we get a palindrome (2241330331422).

The spelling of 1031030030121 in words is "one trillion, thirty-one billion, thirty million, thirty thousand, one hundred twenty-one".