1973255009231 has 8 divisors (see below), whose sum is σ = 2153165507328. Its totient is φ = 1793431791000.

The previous prime is 1973255009213. The next prime is 1973255009273. The reversal of 1973255009231 is 1329005523791.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1973255009231 is a prime.

It is a super-2 number, since 2×1973255009231² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1973255009281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21772685 + ... + 21863126.

It is an arithmetic number, because the mean of its divisors is an integer number (269145688416).

Almost surely, 2^{1973255009231} is an apocalyptic number.

1973255009231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1973255009231 is a deficient number, since it is larger than the sum of its proper divisors (179910498097).

1973255009231 is a wasteful number, since it uses less digits than its factorization.

1973255009231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43639933.

The product of its (nonzero) digits is 510300, while the sum is 47.

The spelling of 1973255009231 in words is "one trillion, nine hundred seventy-three billion, two hundred fifty-five million, nine thousand, two hundred thirty-one".