102831119 has 2 divisors, whose sum is σ = 102831120. Its totient is φ = 102831118.

The previous prime is 102831101. The next prime is 102831133. The reversal of 102831119 is 911138201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 102831119 - 2²⁰ = 101782543 is a prime.

It is a super-2 number, since 2×102831119² = 21148478069584322, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102831139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51415559 + 51415560.

It is an arithmetic number, because the mean of its divisors is an integer number (51415560).

Almost surely, 2^102831119 is an apocalyptic number.

102831119 is a deficient number, since it is larger than the sum of its proper divisors (1).

102831119 is an equidigital number, since it uses as much as digits as its factorization.

102831119 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 26.

The square root of 102831119 is about 10140.5679821201. The cubic root of 102831119 is about 468.4984811487.

The spelling of 102831119 in words is "one hundred two million, eight hundred thirty-one thousand, one hundred nineteen".