257077211223131 has 8 divisors (see below), whose sum is σ = 283604878423104. Its totient is φ = 231514186466880.

The previous prime is 257077211223103. The next prime is 257077211223187. The reversal of 257077211223131 is 131322112770752.

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

It is a cyclic number.

It is not a de Polignac number, because 257077211223131 - 2⁴² = 252679164712027 is a prime.

It is a super-2 number, since 2×257077211223131² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (257077211223431) 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, 241160610371 + ... + 241160611436.

It is an arithmetic number, because the mean of its divisors is an integer number (35450609802888).

Almost surely, 2^{257077211223131} is an apocalyptic number.

257077211223131 is a deficient number, since it is larger than the sum of its proper divisors (26527667199973).

257077211223131 is a wasteful number, since it uses less digits than its factorization.

257077211223131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482321221861.

The product of its (nonzero) digits is 246960, while the sum is 44.

Adding to 257077211223131 its reverse (131322112770752), we get a palindrome (388399323993883).

The spelling of 257077211223131 in words is "two hundred fifty-seven trillion, seventy-seven billion, two hundred eleven million, two hundred twenty-three thousand, one hundred thirty-one".