1974313101 has 4 divisors (see below), whose sum is σ = 2632417472. Its totient is φ = 1316208732.

The previous prime is 1974313087. The next prime is 1974313111. The reversal of 1974313101 is 1013134791.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1974313101 - 2¹⁰ = 1974312077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1974313111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 329052181 + ... + 329052186.

It is an arithmetic number, because the mean of its divisors is an integer number (658104368).

Almost surely, 2^1974313101 is an apocalyptic number.

It is an amenable number.

1974313101 is a deficient number, since it is larger than the sum of its proper divisors (658104371).

1974313101 is an equidigital number, since it uses as much as digits as its factorization.

1974313101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 658104370.

The product of its (nonzero) digits is 2268, while the sum is 30.

The square root of 1974313101 is about 44433.2431969578. The cubic root of 1974313101 is about 1254.5038807694.

Adding to 1974313101 its reverse (1013134791), we get a palindrome (2987447892).

The spelling of 1974313101 in words is "one billion, nine hundred seventy-four million, three hundred thirteen thousand, one hundred one".