1431312001002 has 24 divisors (see below), whose sum is σ = 3339728002884. Its totient is φ = 440403692544.

The previous prime is 1431312000959. The next prime is 1431312001033. The reversal of 1431312001002 is 2001002131341.

1431312001002 is a `hidden beast` number, since 1 + 431 + 31 + 200 + 1 + 0 + 0 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1400409525321 + 30902475681 = 1183389^2 + 175791^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3058358743 + ... + 3058359210.

Almost surely, 2^{1431312001002} is an apocalyptic number.

1431312001002 is an abundant number, since it is smaller than the sum of its proper divisors (1908416001882).

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

1431312001002 is a wasteful number, since it uses less digits than its factorization.

1431312001002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6116717974 (or 6116717971 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 1431312001002 its reverse (2001002131341), we get a palindrome (3432314132343).

The spelling of 1431312001002 in words is "one trillion, four hundred thirty-one billion, three hundred twelve million, one thousand, two".