1420140031 has 8 divisors (see below), whose sum is σ = 1461407040. Its totient is φ = 1379024928.

The previous prime is 1420140023. The next prime is 1420140041. The reversal of 1420140031 is 1300410241.

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

It is not a de Polignac number, because 1420140031 - 2³ = 1420140023 is a prime.

It is a super-2 number, since 2×1420140031² = 4033595415297361922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1420139987 and 1420140014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420140041) 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, 18871 + ... + 56536.

It is an arithmetic number, because the mean of its divisors is an integer number (182675880).

Almost surely, 2^1420140031 is an apocalyptic number.

1420140031 is a deficient number, since it is larger than the sum of its proper divisors (41267009).

1420140031 is an equidigital number, since it uses as much as digits as its factorization.

1420140031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75953.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1420140031 is about 37684.7453354802. The cubic root of 1420140031 is about 1124.0278102460.

Adding to 1420140031 its reverse (1300410241), we get a palindrome (2720550272).

The spelling of 1420140031 in words is "one billion, four hundred twenty million, one hundred forty thousand, thirty-one".