1351214121531 has 8 divisors (see below), whose sum is σ = 1802835322704. Its totient is φ = 900201167360.

The previous prime is 1351214121529. The next prime is 1351214121533.

1351214121531 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (1351214121529) and next prime (1351214121533).

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 1351214121531 - 2¹ = 1351214121529 is a prime.

It is a super-2 number, since 2×1351214121531² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1351214121533) 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, 152056566 + ... + 152065451.

It is an arithmetic number, because the mean of its divisors is an integer number (225354415338).

Almost surely, 2^{1351214121531} is an apocalyptic number.

1351214121531 is a deficient number, since it is larger than the sum of its proper divisors (451621201173).

1351214121531 is a wasteful number, since it uses less digits than its factorization.

1351214121531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304123501.

The product of its digits is 3600, while the sum is 30.

The spelling of 1351214121531 in words is "one trillion, three hundred fifty-one billion, two hundred fourteen million, one hundred twenty-one thousand, five hundred thirty-one".