31143430101 has 8 divisors (see below), whose sum is σ = 47456655424. Its totient is φ = 17796245760.

The previous prime is 31143430061. The next prime is 31143430159. The reversal of 31143430101 is 10103434113.

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

It is not a de Polignac number, because 31143430101 - 2¹¹ = 31143428053 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 1483020481 = 31143430101 / (3 + 1 + 1 + 4 + 3 + 4 + 3 + 0 + 1 + 0 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31143432101) 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, 741510220 + ... + 741510261.

It is an arithmetic number, because the mean of its divisors is an integer number (5932081928).

Almost surely, 2^31143430101 is an apocalyptic number.

It is an amenable number.

31143430101 is a deficient number, since it is larger than the sum of its proper divisors (16313225323).

31143430101 is a wasteful number, since it uses less digits than its factorization.

31143430101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1483020491.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 31143430101 its reverse (10103434113), we get a palindrome (41246864214).

The spelling of 31143430101 in words is "thirty-one billion, one hundred forty-three million, four hundred thirty thousand, one hundred one".