1020242104131 has 32 divisors (see below), whose sum is σ = 1446937539840. Its totient is φ = 637623512064.

The previous prime is 1020242104129. The next prime is 1020242104163. The reversal of 1020242104131 is 1314012420201.

It is not a de Polignac number, because 1020242104131 - 2¹ = 1020242104129 is a prime.

It is a super-2 number, since 2×1020242104131² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1020242104098 and 1020242104107.

It is not an unprimeable number, because it can be changed into a prime (1020242104111) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3845736 + ... + 4102458.

It is an arithmetic number, because the mean of its divisors is an integer number (45216798120).

Almost surely, 2^{1020242104131} is an apocalyptic number.

1020242104131 is a deficient number, since it is larger than the sum of its proper divisors (426695435709).

1020242104131 is a wasteful number, since it uses less digits than its factorization.

1020242104131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257475.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 1020242104131 its reverse (1314012420201), we get a palindrome (2334254524332).

The spelling of 1020242104131 in words is "one trillion, twenty billion, two hundred forty-two million, one hundred four thousand, one hundred thirty-one".