31422013203 has 8 divisors (see below), whose sum is σ = 47881163008. Its totient is φ = 17955436104.

The previous prime is 31422013177. The next prime is 31422013241. The reversal of 31422013203 is 30231022413.

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

It is not a de Polignac number, because 31422013203 - 2¹³ = 31422005011 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: 1496286343 = 31422013203 / (3 + 1 + 4 + 2 + 2 + 0 + 1 + 3 + 2 + 0 + 3).

It is a self number, because there is not a number n which added to its sum of digits gives 31422013203.

It is not an unprimeable number, because it can be changed into a prime (31422013243) 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, 748143151 + ... + 748143192.

It is an arithmetic number, because the mean of its divisors is an integer number (5985145376).

Almost surely, 2^31422013203 is an apocalyptic number.

31422013203 is a deficient number, since it is larger than the sum of its proper divisors (16459149805).

31422013203 is a wasteful number, since it uses less digits than its factorization.

31422013203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1496286353.

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

Adding to 31422013203 its reverse (30231022413), we get a palindrome (61653035616).

The spelling of 31422013203 in words is "thirty-one billion, four hundred twenty-two million, thirteen thousand, two hundred three".