30973097340 has 36 divisors (see below), whose sum is σ = 93951729144. Its totient is φ = 8259492576.

The previous prime is 30973097321. The next prime is 30973097341. The reversal of 30973097340 is 4379037903.

30973097340 is a `hidden beast` number, since 309 + 7 + 309 + 7 + 34 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30973097341) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 86036202 + ... + 86036561.

It is an arithmetic number, because the mean of its divisors is an integer number (2609770254).

Almost surely, 2^30973097340 is an apocalyptic number.

30973097340 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30973097340 is an abundant number, since it is smaller than the sum of its proper divisors (62978631804).

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

30973097340 is a wasteful number, since it uses less digits than its factorization.

30973097340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172072778 (or 172072773 counting only the distinct ones).

The product of its (nonzero) digits is 428652, while the sum is 45.

The spelling of 30973097340 in words is "thirty billion, nine hundred seventy-three million, ninety-seven thousand, three hundred forty".