850401131 has 8 divisors (see below), whose sum is σ = 871837344. Its totient is φ = 828998080.

The previous prime is 850401121. The next prime is 850401137. The reversal of 850401131 is 131104058.

850401131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 850401131 - 2²⁶ = 783292267 is a prime.

It is a super-2 number, since 2×850401131² = 1446364167212158322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 850401097 and 850401106.

It is not an unprimeable number, because it can be changed into a prime (850401137) 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, 48461 + ... + 63633.

It is an arithmetic number, because the mean of its divisors is an integer number (108979668).

Almost surely, 2^850401131 is an apocalyptic number.

850401131 is a deficient number, since it is larger than the sum of its proper divisors (21436213).

850401131 is a wasteful number, since it uses less digits than its factorization.

850401131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16581.

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 850401131 is about 29161.6380026911. The cubic root of 850401131 is about 947.4172249890.

Adding to 850401131 its reverse (131104058), we get a palindrome (981505189).

The spelling of 850401131 in words is "eight hundred fifty million, four hundred one thousand, one hundred thirty-one".