309214123380 has 96 divisors (see below), whose sum is σ = 970825363200. Its totient is φ = 81700596864.

The previous prime is 309214123363. The next prime is 309214123397. The reversal of 309214123380 is 83321412903.

309214123380 is a `hidden beast` number, since 30 + 92 + 141 + 23 + 380 = 666.

It is an interprime number because it is at equal distance from previous prime (309214123363) and next prime (309214123397).

It is a super-2 number, since 2×309214123380² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2567832 + ... + 2685551.

It is an arithmetic number, because the mean of its divisors is an integer number (10112764200).

Almost surely, 2^309214123380 is an apocalyptic number.

309214123380 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

309214123380 is an abundant number, since it is smaller than the sum of its proper divisors (661611239820).

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

309214123380 is a wasteful number, since it uses less digits than its factorization.

309214123380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5253510 (or 5253502 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The spelling of 309214123380 in words is "three hundred nine billion, two hundred fourteen million, one hundred twenty-three thousand, three hundred eighty".