1867834480031 has 4 divisors (see below), whose sum is σ = 2011514055432. Its totient is φ = 1724154904632.

The previous prime is 1867834479961. The next prime is 1867834480033. The reversal of 1867834480031 is 1300844387681.

It is a happy number.

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-1867834480031 is a prime.

It is a super-2 number, since 2×1867834480031² (a number of 25 digits) 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 (1867834480033) 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, 71839787681 + ... + 71839787706.

It is an arithmetic number, because the mean of its divisors is an integer number (502878513858).

Almost surely, 2^{1867834480031} is an apocalyptic number.

1867834480031 is a deficient number, since it is larger than the sum of its proper divisors (143679575401).

1867834480031 is a wasteful number, since it uses less digits than its factorization.

1867834480031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143679575400.

The product of its (nonzero) digits is 3096576, while the sum is 53.

The spelling of 1867834480031 in words is "one trillion, eight hundred sixty-seven billion, eight hundred thirty-four million, four hundred eighty thousand, thirty-one".