1011201431 has 8 divisors (see below), whose sum is σ = 1046160000. Its totient is φ = 976389120.

The previous prime is 1011201407. The next prime is 1011201437. The reversal of 1011201431 is 1341021101.

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 1011201431 - 2¹⁸ = 1010939287 is a prime.

It is a super-2 number, since 2×1011201431² = 2045056668112895522, which 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 (1011201437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22406 + ... + 50243.

It is an arithmetic number, because the mean of its divisors is an integer number (130770000).

Almost surely, 2^1011201431 is an apocalyptic number.

1011201431 is a deficient number, since it is larger than the sum of its proper divisors (34958569).

1011201431 is an equidigital number, since it uses as much as digits as its factorization.

1011201431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73129.

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 1011201431 is about 31799.3935633999. The cubic root of 1011201431 is about 1003.7199551083.

Adding to 1011201431 its reverse (1341021101), we get a palindrome (2352222532).

The spelling of 1011201431 in words is "one billion, eleven million, two hundred one thousand, four hundred thirty-one".