3331128948 has 96 divisors (see below), whose sum is σ = 9120190464. Its totient is φ = 926556288.

The previous prime is 3331128947. The next prime is 3331128949. The reversal of 3331128948 is 8498211333.

It is an interprime number because it is at equal distance from previous prime (3331128947) and next prime (3331128949).

It is a super-2 number, since 2×3331128948² = 22192840136407173408, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3331128943) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 775615 + ... + 779897.

It is an arithmetic number, because the mean of its divisors is an integer number (95001984).

Almost surely, 2^3331128948 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3331128948, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4560095232).

3331128948 is an abundant number, since it is smaller than the sum of its proper divisors (5789061516).

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

3331128948 is a wasteful number, since it uses less digits than its factorization.

3331128948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4541 (or 4539 counting only the distinct ones).

The product of its digits is 124416, while the sum is 42.

The square root of 3331128948 is about 57715.9332247171. The cubic root of 3331128948 is about 1493.4722181407.

The spelling of 3331128948 in words is "three billion, three hundred thirty-one million, one hundred twenty-eight thousand, nine hundred forty-eight".