1031432431133 has 8 divisors (see below), whose sum is σ = 1176112998648. Its totient is φ = 896086093824.

The previous prime is 1031432431121. The next prime is 1031432431177. The reversal of 1031432431133 is 3311342341301.

It can be written as a sum of positive squares in 4 ways, for example, as 304645490809 + 726786940324 = 551947^2 + 852518^2 .

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 1031432431133 - 2¹⁶ = 1031432365597 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1031432431096 and 1031432431105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031432431033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2333557316 + ... + 2333557757.

It is an arithmetic number, because the mean of its divisors is an integer number (147014124831).

Almost surely, 2^{1031432431133} is an apocalyptic number.

1031432431133 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1031432431133 is a deficient number, since it is larger than the sum of its proper divisors (144680567515).

1031432431133 is a wasteful number, since it uses less digits than its factorization.

1031432431133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4667115103.

The product of its (nonzero) digits is 7776, while the sum is 29.

Adding to 1031432431133 its reverse (3311342341301), we get a palindrome (4342774772434).

The spelling of 1031432431133 in words is "one trillion, thirty-one billion, four hundred thirty-two million, four hundred thirty-one thousand, one hundred thirty-three".