31143101203 has 8 divisors (see below), whose sum is σ = 31554353600. Its totient is φ = 30733689600.

The previous prime is 31143101183. The next prime is 31143101219. The reversal of 31143101203 is 30210134113.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31143101203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31143101603) 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, 426123 + ... + 493828.

It is an arithmetic number, because the mean of its divisors is an integer number (3944294200).

Almost surely, 2^31143101203 is an apocalyptic number.

31143101203 is a deficient number, since it is larger than the sum of its proper divisors (411252397).

31143101203 is an equidigital number, since it uses as much as digits as its factorization.

31143101203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 920397.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 31143101203 its reverse (30210134113), we get a palindrome (61353235316).

The spelling of 31143101203 in words is "thirty-one billion, one hundred forty-three million, one hundred one thousand, two hundred three".