1020131000123 has 2 divisors, whose sum is σ = 1020131000124. Its totient is φ = 1020131000122.

The previous prime is 1020131000069. The next prime is 1020131000177. The reversal of 1020131000123 is 3210001310201.

It is a balanced prime because it is at equal distance from previous prime (1020131000069) and next prime (1020131000177).

It is a cyclic number.

It is not a de Polignac number, because 1020131000123 - 2³⁴ = 1002951130939 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1020131000098 and 1020131000107.

It is not a weakly prime, because it can be changed into another prime (1020131002123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510065500061 + 510065500062.

It is an arithmetic number, because the mean of its divisors is an integer number (510065500062).

Almost surely, 2^{1020131000123} is an apocalyptic number.

1020131000123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020131000123 is an equidigital number, since it uses as much as digits as its factorization.

1020131000123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 1020131000123 its reverse (3210001310201), we get a palindrome (4230132310324).

The spelling of 1020131000123 in words is "one trillion, twenty billion, one hundred thirty-one million, one hundred twenty-three", and thus it is an aban number.