1201313012331 has 8 divisors (see below), whose sum is σ = 1686053350720. Its totient is φ = 758724007752.

The previous prime is 1201313012311. The next prime is 1201313012413. The reversal of 1201313012331 is 1332103131021.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1201313012331 - 2¹³ = 1201313004139 is a prime.

It is a super-2 number, since 2×1201313012331² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1201313012298 and 1201313012307.

It is not an unprimeable number, because it can be changed into a prime (1201313012311) 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, 10537833385 + ... + 10537833498.

It is an arithmetic number, because the mean of its divisors is an integer number (210756668840).

Almost surely, 2^{1201313012331} is an apocalyptic number.

1201313012331 is a deficient number, since it is larger than the sum of its proper divisors (484740338389).

1201313012331 is a wasteful number, since it uses less digits than its factorization.

1201313012331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21075666905.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 1201313012331 its reverse (1332103131021), we get a palindrome (2533416143352).

The spelling of 1201313012331 in words is "one trillion, two hundred one billion, three hundred thirteen million, twelve thousand, three hundred thirty-one".