3213451020 has 48 divisors (see below), whose sum is σ = 9689793120. Its totient is φ = 791003136.

The previous prime is 3213451009. The next prime is 3213451099. The reversal of 3213451020 is 201543123.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2059125 + ... + 2060684.

It is an arithmetic number, because the mean of its divisors is an integer number (201870690).

Almost surely, 2^3213451020 is an apocalyptic number.

3213451020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3213451020 is an abundant number, since it is smaller than the sum of its proper divisors (6476342100).

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

3213451020 is a wasteful number, since it uses less digits than its factorization.

3213451020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4119834 (or 4119832 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 3213451020 is about 56687.3091617515. The cubic root of 3213451020 is about 1475.6744623978.

Adding to 3213451020 its reverse (201543123), we get a palindrome (3414994143).

The spelling of 3213451020 in words is "three billion, two hundred thirteen million, four hundred fifty-one thousand, twenty".