31125343476 has 24 divisors (see below), whose sum is σ = 72642127264. Its totient is φ = 10372782240.

The previous prime is 31125343451. The next prime is 31125343477. The reversal of 31125343476 is 67434352113.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31125343477) 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, 235495 + ... + 343086.

Almost surely, 2^31125343476 is an apocalyptic number.

It is an amenable number.

31125343476 is an abundant number, since it is smaller than the sum of its proper divisors (41516783788).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31125343476 is a wasteful number, since it uses less digits than its factorization.

31125343476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 583071 (or 583069 counting only the distinct ones).

The product of its digits is 181440, while the sum is 39.

Adding to 31125343476 its reverse (67434352113), we get a palindrome (98559695589).

The spelling of 31125343476 in words is "thirty-one billion, one hundred twenty-five million, three hundred forty-three thousand, four hundred seventy-six".