1020131423434 has 8 divisors (see below), whose sum is σ = 1530214355268. Its totient is φ = 510059971680.

The previous prime is 1020131423429. The next prime is 1020131423449. The reversal of 1020131423434 is 4343241310201.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 976470067225 + 43661356209 = 988165^2 + 208953^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2644317 + ... + 3005440.

Almost surely, 2^{1020131423434} is an apocalyptic number.

1020131423434 is a deficient number, since it is larger than the sum of its proper divisors (510082931834).

1020131423434 is an equidigital number, since it uses as much as digits as its factorization.

1020131423434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5740040.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 1020131423434 its reverse (4343241310201), we get a palindrome (5363372733635).

The spelling of 1020131423434 in words is "one trillion, twenty billion, one hundred thirty-one million, four hundred twenty-three thousand, four hundred thirty-four".