1030120331131 has 4 divisors (see below), whose sum is σ = 1063350019264. Its totient is φ = 996890643000.

The previous prime is 1030120331059. The next prime is 1030120331143. The reversal of 1030120331131 is 1311330210301.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1030120331131 - 2²¹ = 1030118233979 is a prime.

It is a super-2 number, since 2×1030120331131² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1030120331099 and 1030120331108.

It is not an unprimeable number, because it can be changed into a prime (1030120331161) 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, 16614844020 + ... + 16614844081.

It is an arithmetic number, because the mean of its divisors is an integer number (265837504816).

Almost surely, 2^{1030120331131} is an apocalyptic number.

1030120331131 is a deficient number, since it is larger than the sum of its proper divisors (33229688133).

1030120331131 is an equidigital number, since it uses as much as digits as its factorization.

1030120331131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33229688132.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 1030120331131 its reverse (1311330210301), we get a palindrome (2341450541432).

The spelling of 1030120331131 in words is "one trillion, thirty billion, one hundred twenty million, three hundred thirty-one thousand, one hundred thirty-one".