1020024231231 has 4 divisors (see below), whose sum is σ = 1360032308312. Its totient is φ = 680016154152.

The previous prime is 1020024231173. The next prime is 1020024231241. The reversal of 1020024231231 is 1321324200201.

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

It is not a de Polignac number, because 1020024231231 - 2²² = 1020020036927 is a prime.

It is a super-2 number, since 2×1020024231231² (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 = 1020024231198 and 1020024231207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020024231241) 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, 170004038536 + ... + 170004038541.

It is an arithmetic number, because the mean of its divisors is an integer number (340008077078).

Almost surely, 2^{1020024231231} is an apocalyptic number.

1020024231231 is a deficient number, since it is larger than the sum of its proper divisors (340008077081).

1020024231231 is an equidigital number, since it uses as much as digits as its factorization.

1020024231231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340008077080.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 1020024231231 its reverse (1321324200201), we get a palindrome (2341348431432).

The spelling of 1020024231231 in words is "one trillion, twenty billion, twenty-four million, two hundred thirty-one thousand, two hundred thirty-one".