10303121131 has 4 divisors (see below), whose sum is σ = 10658401200. Its totient is φ = 9947841064.

The previous prime is 10303121077. The next prime is 10303121141. The reversal of 10303121131 is 13112130301.

10303121131 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13112130301 = 103001 ⋅127301.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10303121131 is a prime.

It is a super-2 number, since 2×10303121131² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10303121141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 177639991 + ... + 177640048.

It is an arithmetic number, because the mean of its divisors is an integer number (2664600300).

Almost surely, 2^10303121131 is an apocalyptic number.

10303121131 is a deficient number, since it is larger than the sum of its proper divisors (355280069).

10303121131 is an equidigital number, since it uses as much as digits as its factorization.

10303121131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355280068.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 10303121131 its reverse (13112130301), we get a palindrome (23415251432).

The spelling of 10303121131 in words is "ten billion, three hundred three million, one hundred twenty-one thousand, one hundred thirty-one".