131003243031 has 8 divisors (see below), whose sum is σ = 174674582640. Its totient is φ = 87333699392.

The previous prime is 131003243027. The next prime is 131003243053. The reversal of 131003243031 is 130342300131.

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 131003243031 - 2² = 131003243027 is a prime.

It is a super-2 number, since 2×131003243031² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 131003242989 and 131003243007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131003243081) 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, 268416 + ... + 577973.

It is an arithmetic number, because the mean of its divisors is an integer number (21834322830).

Almost surely, 2^131003243031 is an apocalyptic number.

131003243031 is a deficient number, since it is larger than the sum of its proper divisors (43671339609).

131003243031 is an equidigital number, since it uses as much as digits as its factorization.

131003243031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 897985.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 131003243031 its reverse (130342300131), we get a palindrome (261345543162).

The spelling of 131003243031 in words is "one hundred thirty-one billion, three million, two hundred forty-three thousand, thirty-one".