133031031023 has 8 divisors (see below), whose sum is σ = 145747616976. Its totient is φ = 120418254400.

The previous prime is 133031031017. The next prime is 133031031041. The reversal of 133031031023 is 320130130331.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133031031023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133031030986 and 133031031004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133031030023) 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, 25949648 + ... + 25954773.

It is an arithmetic number, because the mean of its divisors is an integer number (18218452122).

Almost surely, 2^133031031023 is an apocalyptic number.

133031031023 is a deficient number, since it is larger than the sum of its proper divisors (12716585953).

133031031023 is a wasteful number, since it uses less digits than its factorization.

133031031023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51904665.

The product of its (nonzero) digits is 486, while the sum is 20.

Adding to 133031031023 its reverse (320130130331), we get a palindrome (453161161354).

The spelling of 133031031023 in words is "one hundred thirty-three billion, thirty-one million, thirty-one thousand, twenty-three".