131231011030 has 32 divisors (see below), whose sum is σ = 270101018880. Its totient is φ = 44970142560.

The previous prime is 131231010971. The next prime is 131231011031. The reversal of 131231011030 is 30110132131.

It is a junction number, because it is equal to n+sod(n) for n = 131231010995 and 131231011013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131231011031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 350260 + ... + 620599.

It is an arithmetic number, because the mean of its divisors is an integer number (8440656840).

Almost surely, 2^131231011030 is an apocalyptic number.

131231011030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131231011030 is an abundant number, since it is smaller than the sum of its proper divisors (138870007850).

131231011030 is a wasteful number, since it uses less digits than its factorization.

131231011030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 972804.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 131231011030 its reverse (30110132131), we get a palindrome (161341143161).

The spelling of 131231011030 in words is "one hundred thirty-one billion, two hundred thirty-one million, eleven thousand, thirty".