1531310131351 has 48 divisors (see below), whose sum is σ = 2071979736064. Its totient is φ = 1101240360000.

The previous prime is 1531310131321. The next prime is 1531310131361.

1531310131351 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 1531310131351 - 2⁷ = 1531310131223 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1531310131321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 87539716 + ... + 87557206.

Almost surely, 2^{1531310131351} is an apocalyptic number.

1531310131351 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1531310131351 is a deficient number, since it is larger than the sum of its proper divisors (540669604713).

1531310131351 is a wasteful number, since it uses less digits than its factorization.

1531310131351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25484 (or 25473 counting only the distinct ones).

The product of its (nonzero) digits is 2025, while the sum is 28.

It can be divided in two parts, 1531310 and 131351, that added together give a palindrome (1662661).

The spelling of 1531310131351 in words is "one trillion, five hundred thirty-one billion, three hundred ten million, one hundred thirty-one thousand, three hundred fifty-one".