190506713831 has 24 divisors (see below), whose sum is σ = 234379330560. Its totient is φ = 153963860400.

The previous prime is 190506713807. The next prime is 190506713893. The reversal of 190506713831 is 138317605091.

It is not a de Polignac number, because 190506713831 - 2²² = 190502519527 is a prime.

It is a super-2 number, since 2×190506713831² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190506713431) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 288455 + ... + 681336.

It is an arithmetic number, because the mean of its divisors is an integer number (9765805440).

Almost surely, 2^190506713831 is an apocalyptic number.

190506713831 is a deficient number, since it is larger than the sum of its proper divisors (43872616729).

190506713831 is a wasteful number, since it uses less digits than its factorization.

190506713831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 970035 (or 970028 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 44.

The spelling of 190506713831 in words is "one hundred ninety billion, five hundred six million, seven hundred thirteen thousand, eight hundred thirty-one".