3129355248 has 40 divisors (see below), whose sum is σ = 8145895296. Its totient is φ = 1035153600.

The previous prime is 3129355231. The next prime is 3129355249. The reversal of 3129355248 is 8425539213.

3129355248 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3129355249) 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, 242548 + ... + 255123.

Almost surely, 2^3129355248 is an apocalyptic number.

It is an amenable number.

3129355248 is an abundant number, since it is smaller than the sum of its proper divisors (5016540048).

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

3129355248 is a wasteful number, since it uses less digits than its factorization.

3129355248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497813 (or 497807 counting only the distinct ones).

The product of its digits is 259200, while the sum is 42.

The square root of 3129355248 is about 55940.6403967634. The cubic root of 3129355248 is about 1462.6877443542.

The spelling of 3129355248 in words is "three billion, one hundred twenty-nine million, three hundred fifty-five thousand, two hundred forty-eight".