2131019334 has 32 divisors (see below), whose sum is σ = 4746015840. Its totient is φ = 708777216.

The previous prime is 2131019311. The next prime is 2131019351. The reversal of 2131019334 is 4339101312.

2131019334 is a `hidden beast` number, since 2 + 1 + 310 + 19 + 334 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 2131019298 and 2131019307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18499 + ... + 67854.

It is an arithmetic number, because the mean of its divisors is an integer number (148312995).

Almost surely, 2^2131019334 is an apocalyptic number.

2131019334 is an abundant number, since it is smaller than the sum of its proper divisors (2614996506).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2131019334 is a wasteful number, since it uses less digits than its factorization.

2131019334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86821 (or 86815 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 2131019334 is about 46162.9649611027. The cubic root of 2131019334 is about 1286.8535648781.

The spelling of 2131019334 in words is "two billion, one hundred thirty-one million, nineteen thousand, three hundred thirty-four".