131213031031 has 8 divisors (see below), whose sum is σ = 131417470800. Its totient is φ = 131008744512.

The previous prime is 131213031029. The next prime is 131213031041. The reversal of 131213031031 is 130130312131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 131213031031 - 2¹ = 131213031029 is a prime.

It is a super-2 number, since 2×131213031031² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131213031011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1739016 + ... + 1812898.

It is an arithmetic number, because the mean of its divisors is an integer number (16427183850).

Almost surely, 2^131213031031 is an apocalyptic number.

131213031031 is a deficient number, since it is larger than the sum of its proper divisors (204439769).

131213031031 is a wasteful number, since it uses less digits than its factorization.

131213031031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76625.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 131213031031 its reverse (130130312131), we get a palindrome (261343343162).

The spelling of 131213031031 in words is "one hundred thirty-one billion, two hundred thirteen million, thirty-one thousand, thirty-one".