162103831 has 2 divisors, whose sum is σ = 162103832. Its totient is φ = 162103830.

The previous prime is 162103807. The next prime is 162103847. The reversal of 162103831 is 138301261.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-162103831 is a prime.

It is a super-2 number, since 2×162103831² = 52555304049753122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 162103796 and 162103805.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (162103861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81051915 + 81051916.

It is an arithmetic number, because the mean of its divisors is an integer number (81051916).

Almost surely, 2^162103831 is an apocalyptic number.

162103831 is a deficient number, since it is larger than the sum of its proper divisors (1).

162103831 is an equidigital number, since it uses as much as digits as its factorization.

162103831 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 162103831 is about 12732.0002748979. Note that the first 3 decimals coincide. The cubic root of 162103831 is about 545.2526180680.

The spelling of 162103831 in words is "one hundred sixty-two million, one hundred three thousand, eight hundred thirty-one".