131001111242346 has 64 divisors (see below), whose sum is σ = 280250384768640. Its totient is φ = 40679813191680.

The previous prime is 131001111242327. The next prime is 131001111242347. The reversal of 131001111242346 is 643242111100131.

It is a happy number.

131001111242346 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×131001111242346² (a number of 29 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (131001111242347) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7403731 + ... + 17799366.

It is an arithmetic number, because the mean of its divisors is an integer number (4378912262010).

Almost surely, 2^{131001111242346} is an apocalyptic number.

131001111242346 is an abundant number, since it is smaller than the sum of its proper divisors (149249273526294).

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

131001111242346 is a wasteful number, since it uses less digits than its factorization.

131001111242346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25203639.

The product of its (nonzero) digits is 3456, while the sum is 30.

Adding to 131001111242346 its reverse (643242111100131), we get a palindrome (774243222342477).

The spelling of 131001111242346 in words is "one hundred thirty-one trillion, one billion, one hundred eleven million, two hundred forty-two thousand, three hundred forty-six".