20133031379 has 2 divisors, whose sum is σ = 20133031380. Its totient is φ = 20133031378.

The previous prime is 20133031363. The next prime is 20133031397. The reversal of 20133031379 is 97313033102.

Together with next prime (20133031397) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20133031379 - 2⁴ = 20133031363 is a prime.

It is not a weakly prime, because it can be changed into another prime (20133031979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10066515689 + 10066515690.

It is an arithmetic number, because the mean of its divisors is an integer number (10066515690).

Almost surely, 2^20133031379 is an apocalyptic number.

20133031379 is a deficient number, since it is larger than the sum of its proper divisors (1).

20133031379 is an equidigital number, since it uses as much as digits as its factorization.

20133031379 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10206, while the sum is 32.

The spelling of 20133031379 in words is "twenty billion, one hundred thirty-three million, thirty-one thousand, three hundred seventy-nine".