1000120103431 has 4 divisors (see below), whose sum is σ = 1000127390200. Its totient is φ = 1000112816664.

The previous prime is 1000120103407. The next prime is 1000120103449. The reversal of 1000120103431 is 1343010210001.

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

It is a cyclic number.

It is not a de Polignac number, because 1000120103431 - 2¹⁷ = 1000119972359 is a prime.

It is a super-2 number, since 2×1000120103431² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000120103461) 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, 3433476 + ... + 3713353.

It is an arithmetic number, because the mean of its divisors is an integer number (250031847550).

Almost surely, 2^{1000120103431} is an apocalyptic number.

1000120103431 is a deficient number, since it is larger than the sum of its proper divisors (7286769).

1000120103431 is an equidigital number, since it uses as much as digits as its factorization.

1000120103431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7286768.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 1000120103431 its reverse (1343010210001), we get a palindrome (2343130313432).

The spelling of 1000120103431 in words is "one trillion, one hundred twenty million, one hundred three thousand, four hundred thirty-one".