20230331131 has 8 divisors (see below), whose sum is σ = 20746121264. Its totient is φ = 19716600960.

The previous prime is 20230331087. The next prime is 20230331257. The reversal of 20230331131 is 13113303202.

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 20230331131 - 2²³ = 20221942523 is a prime.

It is a super-2 number, since 2×20230331131² (a number of 21 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 = 20230331099 and 20230331108.

It is not an unprimeable number, because it can be changed into a prime (20230331431) 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, 495090 + ... + 534391.

It is an arithmetic number, because the mean of its divisors is an integer number (2593265158).

Almost surely, 2^20230331131 is an apocalyptic number.

20230331131 is a deficient number, since it is larger than the sum of its proper divisors (515790133).

20230331131 is a wasteful number, since it uses less digits than its factorization.

20230331131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1029981.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 20230331131 its reverse (13113303202), we get a palindrome (33343634333).

The spelling of 20230331131 in words is "twenty billion, two hundred thirty million, three hundred thirty-one thousand, one hundred thirty-one".