31342020103 has 8 divisors (see below), whose sum is σ = 31379703056. Its totient is φ = 31304361600.

The previous prime is 31342020091. The next prime is 31342020107. The reversal of 31342020103 is 30102024313.

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-31342020103 is a prime.

It is a super-2 number, since 2×31342020103² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31342020107) 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, 3908368 + ... + 3916378.

It is an arithmetic number, because the mean of its divisors is an integer number (3922462882).

Almost surely, 2^31342020103 is an apocalyptic number.

31342020103 is a deficient number, since it is larger than the sum of its proper divisors (37682953).

31342020103 is a wasteful number, since it uses less digits than its factorization.

31342020103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12225.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 31342020103 its reverse (30102024313), we get a palindrome (61444044416).

The spelling of 31342020103 in words is "thirty-one billion, three hundred forty-two million, twenty thousand, one hundred three".