131031038 has 8 divisors (see below), whose sum is σ = 198455088. Its totient is φ = 64879344.

The previous prime is 131031031. The next prime is 131031067. The reversal of 131031038 is 830130131.

It is a happy number.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131031031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 317831 + ... + 318242.

It is an arithmetic number, because the mean of its divisors is an integer number (24806886).

Almost surely, 2^131031038 is an apocalyptic number.

131031038 is a deficient number, since it is larger than the sum of its proper divisors (67424050).

131031038 is a wasteful number, since it uses less digits than its factorization.

131031038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 636178.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 131031038 is about 11446.8789632808. The cubic root of 131031038 is about 507.9154151645.

Adding to 131031038 its reverse (830130131), we get a palindrome (961161169).

It can be divided in two parts, 13103 and 1038, that added together give a palindrome (14141).

The spelling of 131031038 in words is "one hundred thirty-one million, thirty-one thousand, thirty-eight".