331201101023 has 4 divisors (see below), whose sum is σ = 356678108808. Its totient is φ = 305724093240.

The previous prime is 331201101017. The next prime is 331201101029. The reversal of 331201101023 is 320101102133.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 320101102133 = 89 ⋅3596641597.

It is an interprime number because it is at equal distance from previous prime (331201101017) and next prime (331201101029).

It is a cyclic number.

It is not a de Polignac number, because 331201101023 - 2¹² = 331201096927 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 331201100992 and 331201101010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331201101029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12738503873 + ... + 12738503898.

It is an arithmetic number, because the mean of its divisors is an integer number (89169527202).

Almost surely, 2^331201101023 is an apocalyptic number.

331201101023 is a deficient number, since it is larger than the sum of its proper divisors (25477007785).

331201101023 is a wasteful number, since it uses less digits than its factorization.

331201101023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25477007784.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 331201101023 its reverse (320101102133), we get a palindrome (651302203156).

The spelling of 331201101023 in words is "three hundred thirty-one billion, two hundred one million, one hundred one thousand, twenty-three".