3121060464 has 160 divisors (see below), whose sum is σ = 9628669440. Its totient is φ = 964389888.

The previous prime is 3121060451. The next prime is 3121060477. The reversal of 3121060464 is 4640601213.

3121060464 is a `hidden beast` number, since 31 + 21 + 0 + 604 + 6 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (3121060451) and next prime (3121060477).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 488877 + ... + 495219.

It is an arithmetic number, because the mean of its divisors is an integer number (60179184).

Almost surely, 2^3121060464 is an apocalyptic number.

3121060464 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3121060464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4814334720).

3121060464 is an abundant number, since it is smaller than the sum of its proper divisors (6507608976).

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

3121060464 is a wasteful number, since it uses less digits than its factorization.

3121060464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6444 (or 6432 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 3121060464 is about 55866.4520441383. The cubic root of 3121060464 is about 1461.3942495260.

Adding to 3121060464 its reverse (4640601213), we get a palindrome (7761661677).

The spelling of 3121060464 in words is "three billion, one hundred twenty-one million, sixty thousand, four hundred sixty-four".