1971342030 has 96 divisors (see below), whose sum is σ = 5517499680. Its totient is φ = 449460480.

The previous prime is 1971342013. The next prime is 1971342031. The reversal of 1971342030 is 302431791.

1971342030 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1971342031) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 676216 + ... + 679124.

It is an arithmetic number, because the mean of its divisors is an integer number (57473955).

Almost surely, 2^1971342030 is an apocalyptic number.

1971342030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1971342030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2758749840).

1971342030 is an abundant number, since it is smaller than the sum of its proper divisors (3546157650).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1971342030 is a wasteful number, since it uses less digits than its factorization.

1971342030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3394 (or 3387 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 1971342030 is about 44399.7976346740. The cubic root of 1971342030 is about 1253.8742792953.

The spelling of 1971342030 in words is "one billion, nine hundred seventy-one million, three hundred forty-two thousand, thirty".