131403432121011 has 18 divisors (see below), whose sum is σ = 196575645658860. Its totient is φ = 84581519521296.

The previous prime is 131403432120991. The next prime is 131403432121021. The reversal of 131403432121011 is 110121234304131.

131403432121011 is a `hidden beast` number, since 1 + 3 + 1 + 4 + 0 + 3 + 432 + 1 + 210 + 11 = 666.

It is not a de Polignac number, because 131403432121011 - 2¹¹ = 131403432118963 is a prime.

It is a super-2 number, since 2×131403432121011² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (131403432121021) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 8680361841 + ... + 8680376978.

It is an arithmetic number, because the mean of its divisors is an integer number (10920869203270).

Almost surely, 2^{131403432121011} is an apocalyptic number.

131403432121011 is a deficient number, since it is larger than the sum of its proper divisors (65172213537849).

131403432121011 is a wasteful number, since it uses less digits than its factorization.

131403432121011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17360738883 (or 17360738851 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

Adding to 131403432121011 its reverse (110121234304131), we get a palindrome (241524666425142).

The spelling of 131403432121011 in words is "one hundred thirty-one trillion, four hundred three billion, four hundred thirty-two million, one hundred twenty-one thousand, eleven".