3143601961920 has 252 divisors, whose sum is σ = 12578017139064. Its totient is φ = 718537559040.

The previous prime is 3143601961901. The next prime is 3143601961921. The reversal of 3143601961920 is 291691063413.

3143601961920 is a `hidden beast` number, since 3 + 1 + 4 + 3 + 6 + 0 + 1 + 9 + 619 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (252).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3143601961921) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 10996926 + ... + 11279165.

Almost surely, 2^{3143601961920} is an apocalyptic number.

3143601961920 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3143601961920 is an abundant number, since it is smaller than the sum of its proper divisors (9434415177144).

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

3143601961920 is a wasteful number, since it uses less digits than its factorization.

3143601961920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22276128 (or 22276108 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 45.

The spelling of 3143601961920 in words is "three trillion, one hundred forty-three billion, six hundred one million, nine hundred sixty-one thousand, nine hundred twenty".