850156231 has 2 divisors, whose sum is σ = 850156232. Its totient is φ = 850156230.

The previous prime is 850156217. The next prime is 850156243. The reversal of 850156231 is 132651058.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 850156231 - 2¹⁷ = 850025159 is a prime.

It is a super-2 number, since 2×850156231² = 1445531234216250722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 850156193 and 850156202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (850156261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 425078115 + 425078116.

It is an arithmetic number, because the mean of its divisors is an integer number (425078116).

Almost surely, 2^850156231 is an apocalyptic number.

850156231 is a deficient number, since it is larger than the sum of its proper divisors (1).

850156231 is an equidigital number, since it uses as much as digits as its factorization.

850156231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 850156231 is about 29157.4386906669. The cubic root of 850156231 is about 947.3262699694.

The spelling of 850156231 in words is "eight hundred fifty million, one hundred fifty-six thousand, two hundred thirty-one".