31443010000203 has 8 divisors (see below), whose sum is σ = 41937242760400. Its totient is φ = 20955391953408.

The previous prime is 31443010000201. The next prime is 31443010000267. The reversal of 31443010000203 is 30200001034413.

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

It is not a de Polignac number, because 31443010000203 - 2¹ = 31443010000201 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 31443010000203.

It is not an unprimeable number, because it can be changed into a prime (31443010000201) 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, 1653667258 + ... + 1653686271.

It is an arithmetic number, because the mean of its divisors is an integer number (5242155345050).

Almost surely, 2^{31443010000203} is an apocalyptic number.

31443010000203 is a deficient number, since it is larger than the sum of its proper divisors (10494232760197).

31443010000203 is a wasteful number, since it uses less digits than its factorization.

31443010000203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3307356701.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 31443010000203 its reverse (30200001034413), we get a palindrome (61643011034616).

The spelling of 31443010000203 in words is "thirty-one trillion, four hundred forty-three billion, ten million, two hundred three", and thus it is an aban number.