131211023030 has 16 divisors (see below), whose sum is σ = 236282081184. Its totient is φ = 52461689280.

The previous prime is 131211023003. The next prime is 131211023059. The reversal of 131211023030 is 30320112131.

It is a super-3 number, since 3×131211023030³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2815727 + ... + 2861946.

It is an arithmetic number, because the mean of its divisors is an integer number (14767630074).

Almost surely, 2^131211023030 is an apocalyptic number.

131211023030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131211023030 is a deficient number, since it is larger than the sum of its proper divisors (105071058154).

131211023030 is a wasteful number, since it uses less digits than its factorization.

131211023030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5679991.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 131211023030 its reverse (30320112131), we get a palindrome (161531135161).

The spelling of 131211023030 in words is "one hundred thirty-one billion, two hundred eleven million, twenty-three thousand, thirty".