1301220120031 has 8 divisors (see below), whose sum is σ = 1401322843760. Its totient is φ = 1201118663232.

The previous prime is 1301220120001. The next prime is 1301220120037. The reversal of 1301220120031 is 1300210221031.

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 1301220120031 - 2⁵ = 1301220119999 is a prime.

It is a super-2 number, since 2×1301220120031² (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 = 1301220119987 and 1301220120014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1301220120037) 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, 3758155 + ... + 4089763.

It is an arithmetic number, because the mean of its divisors is an integer number (175165355470).

Almost surely, 2^{1301220120031} is an apocalyptic number.

1301220120031 is a deficient number, since it is larger than the sum of its proper divisors (100102723729).

1301220120031 is a wasteful number, since it uses less digits than its factorization.

1301220120031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 633465.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 1301220120031 its reverse (1300210221031), we get a palindrome (2601430341062).

The spelling of 1301220120031 in words is "one trillion, three hundred one billion, two hundred twenty million, one hundred twenty thousand, thirty-one".