121031313023 has 8 divisors (see below), whose sum is σ = 127892198400. Its totient is φ = 114303648888.

The previous prime is 121031313019. The next prime is 121031313049. The reversal of 121031313023 is 320313130121.

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 121031313023 - 2² = 121031313019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121031312986 and 121031313004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121031313083) 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, 33303443 + ... + 33307076.

It is an arithmetic number, because the mean of its divisors is an integer number (15986524800).

Almost surely, 2^121031313023 is an apocalyptic number.

121031313023 is a deficient number, since it is larger than the sum of its proper divisors (6860885377).

121031313023 is an equidigital number, since it uses as much as digits as its factorization.

121031313023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66610621.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 121031313023 its reverse (320313130121), we get a palindrome (441344443144).

The spelling of 121031313023 in words is "one hundred twenty-one billion, thirty-one million, three hundred thirteen thousand, twenty-three".