107213731 has 2 divisors, whose sum is σ = 107213732. Its totient is φ = 107213730.

The previous prime is 107213719. The next prime is 107213737. The reversal of 107213731 is 137312701.

It is a strong prime.

It is an emirp because it is prime and its reverse (137312701) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 107213731 - 2⁵ = 107213699 is a prime.

It is a super-2 number, since 2×107213731² = 22989568229880722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 107213696 and 107213705.

It is not a weakly prime, because it can be changed into another prime (107213737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53606865 + 53606866.

It is an arithmetic number, because the mean of its divisors is an integer number (53606866).

Almost surely, 2^107213731 is an apocalyptic number.

107213731 is a deficient number, since it is larger than the sum of its proper divisors (1).

107213731 is an equidigital number, since it uses as much as digits as its factorization.

107213731 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 882, while the sum is 25.

The square root of 107213731 is about 10354.4063567160. The cubic root of 107213731 is about 475.0618290707.

The spelling of 107213731 in words is "one hundred seven million, two hundred thirteen thousand, seven hundred thirty-one".