2131272738238 has 8 divisors (see below), whose sum is σ = 3653610408432. Its totient is φ = 913402602096.

The previous prime is 2131272738181. The next prime is 2131272738367. The reversal of 2131272738238 is 8328372721312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 2131272738191 and 2131272738200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76116883495 + ... + 76116883522.

It is an arithmetic number, because the mean of its divisors is an integer number (456701301054).

Almost surely, 2^{2131272738238} is an apocalyptic number.

2131272738238 is a deficient number, since it is larger than the sum of its proper divisors (1522337670194).

2131272738238 is a wasteful number, since it uses less digits than its factorization.

2131272738238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152233767026.

The product of its digits is 1354752, while the sum is 49.

The spelling of 2131272738238 in words is "two trillion, one hundred thirty-one billion, two hundred seventy-two million, seven hundred thirty-eight thousand, two hundred thirty-eight".