1363031271372 has 12 divisors (see below), whose sum is σ = 3180406299896. Its totient is φ = 454343757120.

The previous prime is 1363031271353. The next prime is 1363031271379. The reversal of 1363031271372 is 2731721303631.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 1363031271372.

It is not an unprimeable number, because it can be changed into a prime (1363031271379) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56792969629 + ... + 56792969652.

Almost surely, 2^{1363031271372} is an apocalyptic number.

1363031271372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1363031271372 is an abundant number, since it is smaller than the sum of its proper divisors (1817375028524).

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

1363031271372 is a wasteful number, since it uses less digits than its factorization.

1363031271372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113585939288 (or 113585939286 counting only the distinct ones).

The product of its (nonzero) digits is 95256, while the sum is 39.

The spelling of 1363031271372 in words is "one trillion, three hundred sixty-three billion, thirty-one million, two hundred seventy-one thousand, three hundred seventy-two".