1331234321331 has 16 divisors (see below), whose sum is σ = 1781980509600. Its totient is φ = 883989209088.

The previous prime is 1331234321317. The next prime is 1331234321407.

It is a happy number.

1331234321331 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 1331234321331 - 2¹³ = 1331234313139 is a prime.

It is a super-2 number, since 2×1331234321331² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1331234321311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20251425 + ... + 20317053.

It is an arithmetic number, because the mean of its divisors is an integer number (111373781850).

Almost surely, 2^{1331234321331} is an apocalyptic number.

1331234321331 is a deficient number, since it is larger than the sum of its proper divisors (450746188269).

1331234321331 is a wasteful number, since it uses less digits than its factorization.

1331234321331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92198.

The product of its digits is 11664, while the sum is 30.

The spelling of 1331234321331 in words is "one trillion, three hundred thirty-one billion, two hundred thirty-four million, three hundred twenty-one thousand, three hundred thirty-one".