1231411431002 has 16 divisors (see below), whose sum is σ = 1928341225800. Its totient is φ = 589020586560.

The previous prime is 1231411430981. The next prime is 1231411431007. The reversal of 1231411431002 is 2001341141321.

It can be written as a sum of positive squares in 4 ways, for example, as 836586451801 + 394824979201 = 914651^2 + 628351^2 .

It is a super-2 number, since 2×1231411431002² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1231411431007) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 97384649 + ... + 97397292.

Almost surely, 2^{1231411431002} is an apocalyptic number.

1231411431002 is a deficient number, since it is larger than the sum of its proper divisors (696929794798).

1231411431002 is a wasteful number, since it uses less digits than its factorization.

1231411431002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194782081.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 1231411431002 its reverse (2001341141321), we get a palindrome (3232752572323).

The spelling of 1231411431002 in words is "one trillion, two hundred thirty-one billion, four hundred eleven million, four hundred thirty-one thousand, two".