1011420431 has 8 divisors (see below), whose sum is σ = 1184102304. Its totient is φ = 845786880.

The previous prime is 1011420367. The next prime is 1011420433. The reversal of 1011420431 is 1340241101.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1011420431 - 2⁶ = 1011420367 is a prime.

It is a super-2 number, since 2×1011420431² = 2045942576488451522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011420433) 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, 1761770 + ... + 1762343.

It is an arithmetic number, because the mean of its divisors is an integer number (148012788).

Almost surely, 2^1011420431 is an apocalyptic number.

1011420431 is a deficient number, since it is larger than the sum of its proper divisors (172681873).

1011420431 is an equidigital number, since it uses as much as digits as its factorization.

1011420431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3524161.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1011420431 is about 31802.8368388734. The cubic root of 1011420431 is about 1003.7924097801.

Adding to 1011420431 its reverse (1340241101), we get a palindrome (2351661532).

The spelling of 1011420431 in words is "one billion, eleven million, four hundred twenty thousand, four hundred thirty-one".