1931402283001 has 3 divisors (see below), whose sum is σ = 1931403672751. Its totient is φ = 1931400893252.

The previous prime is 1931402282989. The next prime is 1931402283007. The reversal of 1931402283001 is 1003822041391.

It is a happy number.

The square root of 1931402283001 is 1389749.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 128666407401 + 1802735875600 = 358701^2 + 1342660^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1931402283001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1931402283007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 694875 + ... + 2084623.

Almost surely, 2^{1931402283001} is an apocalyptic number.

1931402283001 is the 1389749-th square number.

1931402283001 is the 694875-th centered octagonal number.

It is an amenable number.

1931402283001 is a deficient number, since it is larger than the sum of its proper divisors (1389750).

1931402283001 is an frugal number, since it uses more digits than its factorization.

1931402283001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2779498 (or 1389749 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 34.

The spelling of 1931402283001 in words is "one trillion, nine hundred thirty-one billion, four hundred two million, two hundred eighty-three thousand, one".