361968031 has 4 divisors (see below), whose sum is σ = 381019000. Its totient is φ = 342917064.

The previous prime is 361967999. The next prime is 361968067. The reversal of 361968031 is 130869163.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 130869163 = 211 ⋅620233.

It is a cyclic number.

It is not a de Polignac number, because 361968031 - 2⁵ = 361967999 is a prime.

It is a super-2 number, since 2×361968031² = 262041710932033922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (361965031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9525456 + ... + 9525493.

It is an arithmetic number, because the mean of its divisors is an integer number (95254750).

Almost surely, 2^361968031 is an apocalyptic number.

361968031 is a deficient number, since it is larger than the sum of its proper divisors (19050969).

361968031 is a wasteful number, since it uses less digits than its factorization.

361968031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19050968.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 361968031 is about 19025.4574452232. The cubic root of 361968031 is about 712.6726162668.

The spelling of 361968031 in words is "three hundred sixty-one million, nine hundred sixty-eight thousand, thirty-one".