3215120733 has 48 divisors (see below), whose sum is σ = 5374040256. Its totient is φ = 1830597120.

The previous prime is 3215120731. The next prime is 3215120737. The reversal of 3215120733 is 3370215123.

It is not a de Polignac number, because 3215120733 - 2¹ = 3215120731 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3215120697 and 3215120706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3215120731) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1148091 + ... + 1150887.

It is an arithmetic number, because the mean of its divisors is an integer number (111959172).

Almost surely, 2^3215120733 is an apocalyptic number.

3215120733 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

3215120733 is a deficient number, since it is larger than the sum of its proper divisors (2158919523).

3215120733 is a wasteful number, since it uses less digits than its factorization.

3215120733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3514 (or 3511 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 27.

The square root of 3215120733 is about 56702.0346460336. The cubic root of 3215120733 is about 1475.9300055490.

Adding to 3215120733 its reverse (3370215123), we get a palindrome (6585335856).

The spelling of 3215120733 in words is "three billion, two hundred fifteen million, one hundred twenty thousand, seven hundred thirty-three".