131321463037 has 4 divisors (see below), whose sum is σ = 135557639296. Its totient is φ = 127085286780.

The previous prime is 131321463011. The next prime is 131321463061. The reversal of 131321463037 is 730364123131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 730364123131 = 7211 ⋅101284721.

It is not a de Polignac number, because 131321463037 - 2²³ = 131313074429 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131321462993 and 131321463011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131321463137) 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, 2118088083 + ... + 2118088144.

It is an arithmetic number, because the mean of its divisors is an integer number (33889409824).

Almost surely, 2^131321463037 is an apocalyptic number.

It is an amenable number.

131321463037 is a deficient number, since it is larger than the sum of its proper divisors (4236176259).

131321463037 is an equidigital number, since it uses as much as digits as its factorization.

131321463037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4236176258.

The product of its (nonzero) digits is 27216, while the sum is 34.

Adding to 131321463037 its reverse (730364123131), we get a palindrome (861685586168).

The spelling of 131321463037 in words is "one hundred thirty-one billion, three hundred twenty-one million, four hundred sixty-three thousand, thirty-seven".