31203421130204 has 12 divisors (see below), whose sum is σ = 54606369474384. Its totient is φ = 15601601280384.

The previous prime is 31203421130191. The next prime is 31203421130213. The reversal of 31203421130204 is 40203112430213.

It is a super-2 number, since 2×31203421130204² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26677064 + ... + 27822159.

It is an arithmetic number, because the mean of its divisors is an integer number (4550530789532).

Almost surely, 2^{31203421130204} is an apocalyptic number.

It is an amenable number.

31203421130204 is a deficient number, since it is larger than the sum of its proper divisors (23402948344180).

31203421130204 is a wasteful number, since it uses less digits than its factorization.

31203421130204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54642364 (or 54642362 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 31203421130204 its reverse (40203112430213), we get a palindrome (71406533560417).

The spelling of 31203421130204 in words is "thirty-one trillion, two hundred three billion, four hundred twenty-one million, one hundred thirty thousand, two hundred four".