1201331103031 has 8 divisors (see below), whose sum is σ = 1205039603600. Its totient is φ = 1197627990912.

The previous prime is 1201331103023. The next prime is 1201331103083. The reversal of 1201331103031 is 1303011331021.

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 1201331103031 - 2³ = 1201331103023 is a prime.

It is a super-2 number, since 2×1201331103031² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201331103631) 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, 900306 + ... + 1792543.

It is an arithmetic number, because the mean of its divisors is an integer number (150629950450).

Almost surely, 2^{1201331103031} is an apocalyptic number.

1201331103031 is a deficient number, since it is larger than the sum of its proper divisors (3708500569).

1201331103031 is an equidigital number, since it uses as much as digits as its factorization.

1201331103031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2694225.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 1201331103031 its reverse (1303011331021), we get a palindrome (2504342434052).

The spelling of 1201331103031 in words is "one trillion, two hundred one billion, three hundred thirty-one million, one hundred three thousand, thirty-one".