131030121003 has 16 divisors (see below), whose sum is σ = 175453036416. Its totient is φ = 86980752320.

The previous prime is 131030120993. The next prime is 131030121023. The reversal of 131030121003 is 300121030131.

It is a cyclic number.

It is not a de Polignac number, because 131030121003 - 2⁹ = 131030120491 is a prime.

It is a super-2 number, since 2×131030121003² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (131030121023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1148500 + ... + 1257422.

It is an arithmetic number, because the mean of its divisors is an integer number (10965814776).

Almost surely, 2^131030121003 is an apocalyptic number.

131030121003 is a deficient number, since it is larger than the sum of its proper divisors (44422915413).

131030121003 is a wasteful number, since it uses less digits than its factorization.

131030121003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110634.

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

Adding to 131030121003 its reverse (300121030131), we get a palindrome (431151151134).

The spelling of 131030121003 in words is "one hundred thirty-one billion, thirty million, one hundred twenty-one thousand, three".