361090031 has 4 divisors (see below), whose sum is σ = 364285632. Its totient is φ = 357894432.

The previous prime is 361089973. The next prime is 361090033. The reversal of 361090031 is 130090163.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-361090031 is a prime.

It is a super-2 number, since 2×361090031² = 260772020975161922, 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 = 361089979 and 361090006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (361090033) 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, 1597631 + ... + 1597856.

It is an arithmetic number, because the mean of its divisors is an integer number (91071408).

Almost surely, 2^361090031 is an apocalyptic number.

361090031 is a deficient number, since it is larger than the sum of its proper divisors (3195601).

361090031 is a wasteful number, since it uses less digits than its factorization.

361090031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3195600.

The product of its (nonzero) digits is 486, while the sum is 23.

The square root of 361090031 is about 19002.3690891425. The cubic root of 361090031 is about 712.0959233795.

The spelling of 361090031 in words is "three hundred sixty-one million, ninety thousand, thirty-one".