1020024231431 has 8 divisors (see below), whose sum is σ = 1045690344384. Its totient is φ = 994395617280.

The previous prime is 1020024231383. The next prime is 1020024231497. The reversal of 1020024231431 is 1341324200201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1020024231431 is a prime.

It is a super-2 number, since 2×1020024231431² (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 = 1020024231397 and 1020024231406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020024231731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9319610 + ... + 9428423.

It is an arithmetic number, because the mean of its divisors is an integer number (130711293048).

Almost surely, 2^{1020024231431} is an apocalyptic number.

1020024231431 is a deficient number, since it is larger than the sum of its proper divisors (25666112953).

1020024231431 is a wasteful number, since it uses less digits than its factorization.

1020024231431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18749401.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 1020024231431 its reverse (1341324200201), we get a palindrome (2361348431632).

The spelling of 1020024231431 in words is "one trillion, twenty billion, twenty-four million, two hundred thirty-one thousand, four hundred thirty-one".