1020140333431 has 8 divisors (see below), whose sum is σ = 1054743321600. Its totient is φ = 985907431008.

The previous prime is 1020140333423. The next prime is 1020140333437. The reversal of 1020140333431 is 1343330410201.

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

It is not a de Polignac number, because 1020140333431 - 2³ = 1020140333423 is a prime.

It is a super-2 number, since 2×1020140333431² (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 = 1020140333396 and 1020140333405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020140333437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92515831 + ... + 92526856.

It is an arithmetic number, because the mean of its divisors is an integer number (131842915200).

Almost surely, 2^{1020140333431} is an apocalyptic number.

1020140333431 is a deficient number, since it is larger than the sum of its proper divisors (34602988169).

1020140333431 is a wasteful number, since it uses less digits than its factorization.

1020140333431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185042873.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 1020140333431 its reverse (1343330410201), we get a palindrome (2363470743632).

The spelling of 1020140333431 in words is "one trillion, twenty billion, one hundred forty million, three hundred thirty-three thousand, four hundred thirty-one".